When did southern politicians view it as politically expedient to appeal to states’ rights in the 1850s? and when did they appeal to federal power?

why did the republican party form in 1854? and what did it stand for?

how did international politics shape the american revolution?

Founded in 1854 as a coalition opposing the extension of slavery into Western territories, the Republican Party fought to protect the rights of African Americans after the Civil War.

Explanation:this is your answer for the second question you asked  sorry i don't know the first and the last

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse