I need help with these two questions please:^))

the first one is the president

the second one is the president can name certain officials and federal judges, but the Senate must approve the president's choices

the tallest building in the western hemisphere and the sixth tallest building in the world

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.