The correct answer is agriculture. It was made possible for people to live on a single piece of land and not be nomadic anymore in search of food. Agriculture enabled them to settle around river valleys like Nile or Tigris and Euphrates. This is the era when civilizations started rising worldwide.
Option D. La Raza Unida was directly involved in the voting society in the 1960s.
<h3>What was La Raza Unida ?</h3>
This is the term that is used to refer to a former Hispanic political system in the United States. This system was known to be the national party of the Mexican Americans in the United States.
The party is known because it helped to create a form of Hispanic nationalism in the country.
The theme was quickly adopted in places such as California and Texas in the United States.
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A. Slaves kept their heritage alive
A hominid is an early ancestor of a human (#1)