One thing was that Seas were sometimes difficult to navigate which limited communication - D. this was already a factor which limited the possibility of one united Greece emergin because it made it very difficult to talk to these isolated islands that couldbe found through the difficult-to-navigate seas.
Another thing was that C - some city-states were located on isolated islands.
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.
Many original settlers in the Carolinas came from Barbados. It was in 1670 that Albemarle Point was established in South Carolina. Most of the settlers came from the Carribean island of Barbados.
The main impact De Soto's expedition was disease.The Native Americans did not have any immunity to European diseases since they had never been in contact with them. The most detrimental of illness was the smallpox. They also were introduced to animals such as horses, war dogs, and pigs.
During the Civil War, Kentucky was a border state, but they on the south's side "team" (they had slaves and wanted to keep them). During this war, the north and south had a war, known as the Civil War. Abraham Lincoln wanted Kentucky on his side, the north side. Kentucky was a border state, therefore he wanted it to be on the north's side since it wasn't completely in the south. I believe he says he must have Kentucky because it's another state on his side to help with this war, if that makes sense.