Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. In contrast to the Harappan civilization, which of the following might have contributed to the decline of the Mayan civilization? (1 point)

a
flood

b
drought

c
invasion from the Aryans

d
lack of trade options

Isaiah is a citizen of florida. he would like to propose a new amendment to his state's constitution to be voted on in the next election. is isaiah able to do this? no. the u. s. and florida constitutions do not allow citizens to add amendments to the state or federal ballot. no. the florida constitution says citizens may only propose new laws or amendments at local government meetings. yes. the florida and u. s. constitutions allow citizens to add amendments to be voted on in the next federal election. yes. the florida constitution allows citizens to propose amendments to the state constitution to be voted on in the next state election.