Answer:
The American Revolutionary war
Answer: A
Explanation: united farm workers :)
The Olmec civilization emerged out of south-central Mexico in the tropical lowlands. Today, this area is the modern Mexico states of Veracruz and Tabasco. The Olmec are considered to have been at their height as a civilization from about 1500 BCE to approximately 400 BCE.
By wagon on the Oregon Trail or by ship around South America