A is a soldier that it hired for pay by a foreign state is often referred to as a "mercenary" since they are simply hired to help the state in question carry out military objectives.
The best option from the list would be that "<span>b. The United States began to build up its military and to stockpile weapons," since this was part of the inevitable "Arms Race" that took place between the US and the USSR. </span>
B. geographical boundaries created in earlier historical periods
Answer:
GERMANY
Explanation: default dances* :p