d. It was the gateway for expeditions into the interior of Texas.
The policy that explains why troop levels were changing from 1968 to 1972 is Vietnamization.
<h3 /><h3>What was Vietnamization?</h3>
This was a policy by the U.S. government under President Nixon that saw the gradual reduction of troops in Vietnam.
At the same time that American troops were withdrawn, South Vietnamese soldiers were given increased American military aid to help them fight the Vietnam War on their own.
Find out more on Vietnamization at brainly.com/question/1260167.
They cleared the pathways with axes and made markings for the warriors to follow
Answer:
If the soil/ground is good for crops they'll adpat to start growing crops,
if they have a river near by humans' or "settlers" Can use the river/water to not die dehydration and possibly catch fish which is another food soruce, and the animals in their area, say deer's and birds of some sorts, they can hunt and survive by their meats
Explanation:
