The use of local languages in medieval literature was most revolutionary because

it reached a wider audience of people

it led to italian becoming the primary language in europe

it was recognized by the church as the best way to reach the masses

it led to a mass increase in university enrollments

a - it reached a wider audience of people.

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:

they died because of a disease during the first spanish colonies.