Twenty-seven member states share a single market, many share one currency, and citizens may live and work across member borders. The organization is

Members of this alliance agree that an armed attack on one member will be treated as an attack on all members. The organization is

Nearly all sovereign states belong, the General Assembly gives each member one vote, and the Security Council can authorize sanctions or peacekeeping. The organization is

Governments from one continent coordinate peace, security, and development through an Assembly and a Peace and Security Council. The organization is

Southeast Asian governments cooperate on trade and regional stability while emphasizing consensus and noninterference. The organization is

Argentina, Brazil, Paraguay, and Uruguay formed a South American common market with reduced internal trade barriers and a common external tariff. The organization is

Petroleum-exporting governments coordinate oil production levels to influence supply and prices. The organization is

Members agree to global rules for tariffs and trade barriers and use a dispute system when they accuse another member of breaking those rules. The organization is

Canada, Mexico, and the United States agreed to North American trade rules that lower many barriers and create procedures for settling trade disputes. The agreement is

Member countries contribute funds that can be lent to governments facing balance-of-payments crises and currency instability. The organization is

A country that adopts a shared currency cannot set its own interest rates or devalue its currency to aid exporters. Joining cost it

A customs union uses one tariff schedule for goods entering from nonmembers. A member in that union gives up

A country joins the Schengen Area. Which national power does it give up?

A country joins the World Trade Organization. Which power does it give up?

A country joins NATO. Which national freedom does it give up?

A petroleum-exporting state agrees to production quotas set with other producers. The sovereignty cost is reduced control over

A country joins the European Union's single market. Which national power does it give up?

Under a charter, states promise not to use military force except in self-defense or with Security Council authorization. They limit

A regional trade panel can rule that a national import rule violates the trade pact. The member has given up

Under the European Union's Common Fisheries Policy, what do member states give up?

In 2016 voters in the United Kingdom chose to leave the European Union after debates over migration rules and lawmaking authority. The vote is best read as

A state applies to join a customs union that will set a common tariff and enforce shared trade rules. The decision represents

A country leaves OPEC and no longer participates in production quota agreements. The action represents

When a government joins NATO, it accepts a collective defense duty toward allies. The decision represents

A country adopts the euro, so its national central bank no longer sets an independent currency policy. The change means

Voters choose to leave a passport-free travel area so routine checks can return at borders with neighboring members. The vote represents

A government ratifies global trade agreements and accepts dispute settlement for covered trade rules. The decision represents

A member withdraws from a regional court whose rulings had overridden national law in covered areas. The withdrawal represents

Joining a common market lets firms sell across member borders without tariffs but requires following shared market rules. This is best described as

A member country leaves a supranational organization so its parliament alone writes the rules that the organization once covered. The move is