Answer:
During his 1860 presidential campaign, he argued that secession was unnecessary since the Constitution protected slavery, an argument that resonated with voters in border states, helping him capture the electoral votes of Tennessee, Kentucky, and Virginia.
Explanation:
Answer:
Methodist and Presbyterian missionaries established settlements
Lewis and Clark explored and mapped the interior.
John Jacob Astor made one of the first settlements.
Explanation:
The Oregon Territory was initially an extension of land owned by America until February 14th, 1859 when it was officially recognised as the State of Oregon and part of the Union.
Therefore, the three events that the United States used as a claim to the Oregon Territory are
Methodist and Presbyterian missionaries established settlements
Lewis and Clark explored and mapped the interior.
John Jacob Astor made one of the first settlements.
You didn't include the map, so I can't be entirely sure, but if it's the same test that I have, it's B.
The war caused the united states to enter another severe depression
the united states became the most richest powerful nation in the world
Prince Henry or alps know as Henry the navigator :) let me know if this helped