I agree with the person above - Cesar Chavez was instrumental in forming the United Farm Workers (of America).
It refers to a labor union of employees in America, and it stands to protect their rights. It was founded in 1965 by merging two labor unions, one led by Larry Itliong, and the other by Cesar Chavez. Together, they organized many strikes and protests in order to fight for their rights as laborers.
One by one, the Classic cities in the southern lowlands were abandoned, and by A.D. 900, Maya civilization in that region had collapsed. The reason for this mysterious decline is unknown, though scholars have developed several competing theories. which is Maya had exhausted the environment around them to the point that it could no longer sustain a very large population. <span>Other Maya scholars argue that constant warfare among competing city-states led the complicated military, family (by marriage) and trade alliances between them to break down, along with the traditional system of dynastic power. As the stature of the holy lords diminished, their complex traditions of rituals and ceremonies dissolved into chaos. Finally, some catastrophic environmental change–like an extremely long, intense period of drought–may have wiped out the Classic Maya civilization. Drought would have hit cities like Tikal–where rainwater was necessary for drinking as well as for crop irrigation–especially hard</span>
Unemployment, lack of goods being produced, and starvation