It is A because each state receives electoral votes by the amount of members from that state in the House of Representatives
B. <span>a shield of missiles over the U.S. designed to shoot down incoming nuclear missiles from the USSR</span>
Some of the states that came out of the Louisiana Purchase were:
Arkansas
Missouri
Iowa
Oklahoma
Kansas
Nebraska
<span>A part of the Minnesota on the west of the Mississippi River
A big part of North and South Dakota
The Northeastern part of New Mexico
</span><span>The Northern part of Texas</span>
It is the "National Labor Relations Board" that acts as a mediator in disputes between unions and employers, since many people on both sides of the dispute often claim that the other side is acting unjustly, especially when it comes to negotiations.
D which would be armed conflict with the Southern soldiers