Rising out of the Federalist v. Anti-Federalist debates, it featured two national parties competing for control of the presidency, Congress, and the states: the Federalist Party, created largely by Alexander Hamilton, and the rival Democratic-Republican Party formed by Thomas Jefferson and James Madison.
There are no options given, but historically speaking it was the invention of "Cotton Gin".
A cotton gin was a revolutionary invention which enabled people to
easily separate cotton fibers and seeds; previously it used to take a large
time sorting it manually. The inventor behind this was <span>Eli Whitney. The processing was made easy but
still slaves were needed to grow cotton.</span>
Americans worried because (A) any missile launched form Cuba could hit the U.S. within minutes.
The roman government is an oligarchy.