Which most contributed to the immigration patterns in the first half of the 20th century?
A. nativist attitudes & the quota system
B. economic prosperity & the "Open Door" Policy
C. World War I1 & the Civil Rights Movement
D. inflation & the creation of the Dawes Plan

the year 2019 marks the 2115th anniversary of his birth.

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.

the answer should be founding brothers. i hope i you!