Explain why, until recently, mexico has not been a true democracy.

Until recently, Mexico has not been a true democracy because there was no true separation of powers in government. While the country elected its president and had a representative legislative assembly, the foundations of its democracy were weak due to dominance by one political party, the PRI. Its extensive reach allowed this party to control all three branches of Mexico's government.

the two major parties acting together and cooperating when making decisions is bipartisan

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.