Marking as

explain the aspect of exploration and colonization that had the greatest impact on the native peoples of north and south america?

In both North America and South America, the european conquest was a disaster for the indigenous people because of the dissemination of diseases of european origin, such as influenza, smallpox and measles, for which they didn't have defenses.

These diseases wiped out about 95% of the native american population. In fact, some reaserchers have argued that the loss of native american life was so big that it actually resulted in a brief period of global cooling.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.