The geographic boundaries in the Cold War were dictated at the end of the 1940s, due to the Cold War between the Soviet Union and the United States. The Soviet Union wanted to spread Communism in many parts of the world. In opposition, the United States wanted to prevent the spread of Communism around the globe
The US government and the Roman Republic both have the Executive and Legislative Branches in their government. The Roman Republic and US Government both have a set of checks and balances.
A fundamental principle of the Articles of Confederation is A. Permanent unity between the states. (Apex)
It led to a period of large-scale emigration out of Ireland ( apex) XD :)