C...................................................
Open skies plan of President Eisenhower hopes to have a unilateral agreement on arms control between nations. Although Germany rejected the proposal believing such policy is an espionage technique, the rejection made clear that the Soviet Union has been indeed having arms preparations. It is further verified by an approved espionage plane of the US.
Higher levels of production and economic growth for the country.
In ancient times coins made from gold and silver gradually replaced which commonly used means of exchange in commerce?b) barter
B is correct.
Hopes this loves.