What is the name of argentina's fertile plains?

Need plz? due in 10 will give brainliest which of the following was the most significant aspect of revel's election to the senate? a.his election showed that the u.s. would quickly move past the civil war. b.his election to uphold the thirteenth and fourteenth amendments which gave freed slaves citizenship and voting rights. c.his election demonstrated the states were united in a union once more. d.his election was the first step in opening doors for other african-american political leaders.

The spanish class system placed people in the top class primarily based upon how much american blood a person had. how much spanish blood a person had. where a person worked. whom a person married.

When this was published in early 1776, many american colonists became convinced that they should act to form a new kind of nation independent from the rule of britain's "cruel" courts