Answer:
The idea of Manifest Destiny arose in response to the prospect of U.S. annexation of Texas and to a dispute with Britain over the Oregon Country, which became part of the union.
Explanation:
Answer:First rivers and roads and then canals and railroads moved travelers and ... River to the Great Lakes, it was a major economic artery through New York.
Explanation:
Answer:
a. internal conflict among native African groups was intensified.
Explanation:
European expansion into Africa, from the activities of the explorers, through the era of slave trade until the period of colonial occupation intensified conflict among native Africans.
This internal conflict was more pronounced during the slave trade when African rulers will need to war against neighbouring villages in order to capture them as slaves to be sold to the European traders in exchange for foreign commodities.