Answer:
Due to lack of technology.
Explanation:
It took several centuries before the civilizations of the two hemispheres had communication because of lack of technologies that can make a bridge of communication between two hemisphere. People are not interested in research and having old wrong beliefs that prevent them from growth and development but due to renaissance movement people get rid of false and wrong beliefs and work for the advancement of technology which leads to communication between two hemisphere.
Many Native Americans (mostly Southeastern Indians/ ex. Creeks, Chickasaws, and Choctaws) supported the British in the American Revolution, while some supported the American and Spainsh (the Catawbas) because The British Empire promised to protect their land from the White American settlers if they won and fought with them, much like how Britian also promised slaves freedom if they fought for them or became spies. This was because if they won they would controll the land and the Ameircan colonies and what happens to it.
My Answer: For someone with obsessive compulsive disorder, an action must be performed in order to alleviate anxiety associated with a recurring thought.
Hope I helped! :D
The reason why people, specifically Puritans, left England to go to America in the 1600s was because of religious persecution of their belief, their belief being the simplified version of the religion hosted by the Reformation of the Church of England under Elizabeth.