Answer:
The answer is C.
the decline of tensions between the U.S. and the Soviet Union
Explanation:
1] Isolationism - a policy of remaining apart from the affairs or interests of other groups, especially the political affairs of other countries.
Intervention - the action or process of intervening.
Imperialism - a policy of extending a country's power and influence through diplomacy or military force
2] Building the Panama Canal, 1903 - 1914. President Theodore Roosevelt oversaw the realization of a long term US goal - a trans-isthmian canal. Throughout the 1800s, American and British leaders and businessmen wanted to ship goods quickly and cheaply between the Atlantic and Pacific coasts.
Answer: C, Charlemagne
Explanation:
Charlemagne united Europe during the Middle Ages.
A) <span>On this day in 1956, the U.S. Congress approves the Federal Highway Act, which allocates more than $30 billion for the construction of some 41,000 miles of interstate highways; it will be the largest public construction project in U.S. history to that date.</span>