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Summary

In 1971, U.S. activists launched a campaign to prevent U.S. weapons exports to Pakistan, which was engaged in a genocidal war to prevent East Pakistan from seceding. Using nonviolent boat blockades and picketing at East Coast ports, they persuaded longshoremen to refuse to load arms, leading to a nationwide port shutdown. The campaign succeeded in halting U.S. arms shipments to Pakistan, though it failed to stop U.S. economic aid. The pressure contributed to the fall of Pakistan’s government and the independence of Bangladesh.

Background

In 1971, East Pakistan declared independence as Bangladesh, leading West Pakistan to launch a military crackdown with widespread killing. The U.S. government under President Nixon denied sending weapons to Pakistani dictator Yaya Khan, but activists knew otherwise. The campaign aimed to stop U.S. arms exports and economic aid to Pakistan to end the genocide.

What happened

In June 1971, activists in Philadelphia decided to use nonviolent boat blockades to prevent Pakistani freighters from loading weapons at U.S. [source: nv-database] ports, a first in U.S. [source: nv-database] history [source: nv-database]. Starting in Baltimore, they practiced maneuvers, gained publicity, and dialogued with longshoremen; when the freighter arrived, police arrested the boats, but the longshoremen refused to load the weapons [source: nv-database]. Similar actions occurred in Philadelphia, New York City, and Boston, with the Movement for a New Society and Friends of East Bengal mobilizing Quakers and others for picket lines and boat maneuvers [source: nv-database]. Stirred by the campaign, the International Longshoremen’s Association decided to shut down all U.S. [source: nv-database] ports to Pakistani arms shipments [source: nv-database]. Activists then set up a constant presence across from the White House, living in giant sewer pipes to pressure for an end to economic trade with Pakistan [source: nv-database]. The U.S. [source: nv-database] Congress responded, and in November the State Department announced cancellation of all licenses for arms exports to Pakistan [source: nv-database]. Deprived of U.S. [source: nv-database] support and invaded by India in early December, Pakistan’s government fell, and Bangladesh became independent [source: nv-database].

Key people & organizations

  • Movement for a New Society (MNS)
  • Friends of East Bengal
  • International Longshoremen’s Association (ILA)
  • International Longshore and Warehouse Union
  • American Friends Service Committee (AFSC)
  • Senator Frank Church
  • Senator Edward Kennedy
  • Bangladesh League of America
  • Bangladesh Information Center

Tactics used

The campaign combined nonviolent direct action (boat blockades and picketing) with coalition-building among longshoremen, Quakers, and Congress members, creating a multi-pronged pressure that disrupted arms shipments and built political support. [source: nv-database]

Outcome

Verdict: won.

The campaign achieved complete success in preventing U.S. arms exports to Pakistan, but failed to stop U.S. economic aid. The arms embargo, combined with India’s invasion, led to the fall of Pakistan’s government and the independence of Bangladesh. [source: nv-database]

Lessons

  • Nonviolent direct action at key chokepoints (ports) can disrupt supply chains and attract media attention.
  • Building alliances with labor unions and sympathetic politicians amplifies campaign leverage.
  • Sustained public protest and creative tactics (e.g., living in sewer pipes) can maintain pressure on government targets.

Sources

Disclaimer: Included as a teaching example of campaign craft, not as endorsement.

Sources & verification

  • nv-database — grounding: primary — license: link-only
  • Rewritten: 2026-06-25 via worker_casestudies_v2.py

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