In the 1990s, many companies began to downsize. This was partly because of the recession that began in July of 1990.
The TET offensive
The offensive started in Vietnam new lunar year, known as lunar holiday. The north Vietnamese communist regime and the Vietcong, the rebel group that was fighting against the south Vietnam regime launched a series of attacks. the USA joined the war with an aim of containing the spread of communism as the North wanted to reunite with the south.
The Answer is D: separation of powers among different branches of government
In addition to giving retirees money, Social Security was "<span>requiring retirees to spend their money in the US." which of course spurred the economy. </span>