In december 1989, the united states invaded to protect the americans there. yugoslavia iraq kuwait the panama canal zone

In December 1989, the United States invaded the Panama Canal Zone to protect the Americans there.

Explanation:

The US invasion of Panama in 1989 was a military operation of the United States Army carried out between December 20, 1989 and January 31, 1990, with the purpose of capturing General Manuel Antonio Noriega, de facto governor of Panama, who was required by the US justice for the crime of drug trafficking, as well as neutralizing the Panamanian Defense Forces and protecting the integrity of the American residents in the Canal Zone. The operation was called Operation Just Cause by the US military command, and resulted in approximately 3,000 deaths.

there are two main types of historical sources: primary sources and secondary sources. a primary source is something that originates from the past. it can be a chronicle, a piece of pottery, or even a piece of glacial ice that gives us climate data about the levels of atmospheric carbon one thousand years ago.

one of the negative side effects were the economic losses the events of september 11th caused. many, many people lost their jobs as a result of a downturn in the economy after the terrorist attacks.