C. Nuclear power provides electricity at the lowest cost.
Europe came under the rule of one emperor when Charlemagne was crowned.
Answer:
D, The USSR used many Eastern European countries acquired from the end of WWII as sattelite countries, The USSR spread communism in places such as North Korea and China and the Marshall Plan saw to give aid to many of the countries affected by WWII in a Capitalist way which caused tensions with the USSR
The aim of the revolt was to create a single unified and independent Arab state stretching from Aleppo in Syria to Aden in Yemen, which the British had promised to recognize.
C)Veto a law.
With checks and balances, the executive branch of government can veto legislation.