Because it is different then all the other continents are defined
"<span>Slavery was abolished in the United States" has nothing to do with the Dredd Scott case, which instead said that blacks had no standing in court because they were not citizens. </span>
Yes in May 1961, where a series of civil rights actions in which integrated groups of activists rode a commercial buses for example is a grey hound and trail ways, regardless of the laws in the individual states they passed through. These were designed to test that ruling and help overturn jim crow laws in southern states. these are just some parts of the history that we should always remember.
Answer: America sought to impose itself as a world power.
Explanation:
The reason for joining the united states is the effort to impose itself as a world power after decades of isolation. In that direction, they acted to exploit the revolution in Cuba that the population sought to achieve because of Spanish dominance. So the cause was the Cuban Revolution, and the real reasons are the effort to make the country stand out on the international front as a vital force.
Many riots and internal problems weakened the Spanish. In such circumstances, America wanted territorial expansion. The end of the conflict brought Cuba independence, but Cuba was under US jurisdiction. The Philippines, Guam and Puerto Rico have become parts of the United States.