Between 1790 and 1828, which situation helped cause the change reflected on these maps of South America? (1) The Aztecs regained control of many areas of South America. (2) South American voters removed Spanish and Portuguese rulers from power. (3) Spain sent conquistadores to South America. (4) Enlightenment and revolutionary ideas spread from Europe and North America to South America.

4

Explanation:

Enlightenment and revolutionary ideas spread from Europe and North America to South America

idk

explanation:

monopolies  came to the united states with the colonial administration. the large-scale public works needed to make the new world hospitable to old world immigrants required large companies to carry them out. these companies were granted exclusive contracts for these works by the colonial administrators. even after the american revolution, many of these colonial holdovers still functioned due to the contracts and land

read more on -