Answer:
Progressive Era
Purification to eliminate waste and corruption was a powerful element as well as the progressives' support of worker compensation, improved child labor laws, minimum wage legislation, a limited workweek, graduated income tax and allowed women the right to vote. :)
Explanation:
I believe there are a couple of things missing, such as the author of the article or the sponsor
The ensuing Mexican–American War was waged from 1846 to 1848 with the loss of many thousands of lives and the loss to Mexico of all of its northern provinces.
To declare boundaries between the thirteen colonies and the Appalachian Mountains, so American colonists couldn’t create tension with the French and Native Americans who live across the mountains.
Answer:
The conflicts between Iberian and American civilizations resulted in a solid Iberian victory, because both Portugal and Spain became the political authorities in the region, replacing the old indigenous political rule.
However, these conflicts also forged a new kind of civilization, ruled by Iberians, but mostly populated by people of mixed iberian-american ancestry. The cultural diffusion and mixture was very strong, and this is why today countries like Brazil, Mexico, or Colombia, are considered to be mestizo or mixed countries.