1.In Latin America, the Maya and the Aztec civilizations were similar in that they a) showed little evidence of urbanization
b) lacked a strong central government
c) developed complex mathematical and calendar systems
d) used military weapons superior to those of Europeans

Opposition to the nra came to a head in 1935, when the conservative supreme court declared the agency unconstitutional, claiming the nra gave the executive branch regulatory powers that belonged exclusively to congress. this decision began a series of court decisions that overturned key elements of the new deal.