Thaddeus stevens and charles sumner were two most outspoken
a)copper heads
b)carpetbaggers
c)radical republicans

The Radical Republicans were led by Thaddeus Stevens and Henry Winter Davis in the House and Charles Sumner and Benjamin Wade in the Senate.

Explanation:

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.