All of the following would be causes of the Civil war EXCEPT:
A. States Rights
B. Texas Joining United States
C. Election of Abraham Lincoln
D. Tariffs

the question is asking about the things that may have affected and what they effects had on the spanish conquest and settlement of america

explanation:

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.