I believe the answer is: <span>The U.S. expanded its air force and its buildup of nuclear weapons.
The policy of brinkmanship refers to the policy that is used to coerce the soviet union to bring down their military aggression without actually making direct confrontation. To do this, Eisenhower relied on intimidation tactics such as increasing military asset and mass destruction weapons.</span><span />
The correct answer is associative/ fictive kin.
Associative kin refers to a relationship between individuals, where they are not related by blood or family ties, yet, their bond is akin to that of family members or close relatives. Associative kin are likely to spend holidays together, vacation together and see each other regularly. In this instance, Marie shares an associative kin relationship with Danny and Karen's family since they have a close bond.
<span>(D. encyclopedia.)
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A primary source is told or written down by a person that experienced or saw the event. While, a secondary source is told or written by someone else