In his efforts to retain the border states within the union, lincoln focused his efforts primarily on:
a. maryland.
b. delaware.
c. west virginia.
d. kentucky.
e. missouri.

The correct answer is option D: Kentucky

Explanation:

Kentucky was of significant importane during the Civil war because of the importace of the efforts on the border states especially Kentucky.

One of this reasons was that Kentucky was a state that became neutral sitaution and was not inmerse in the war.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.