Which of the following most directly contributed to the spread of settlement depicted on the map? The development of transcontinental railroads Answer A: The development of transcontinental railroads A Efforts to secure boundaries with Great Britain Answer B: Efforts to secure boundaries with Great Britain B Federal grants for purchases of western land Answer C: Federal grants for purchases of western land C Sustained population growth after the American Revolution

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it took two men to wrestle rome back from chaos and turn a republic into an empire. in the first century bc, rome was a republic. power lay in the hands of the senate, elected by roman citizens. but the senators were fighting for power between themselves.

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.