It ended in february 1917 because in the book it said that in 1917 the revolution became to a break point
1. About 1,500 miles
2. Texas has only has 1 coast to defend while Mexico has 2.
The correct answer is PEOPLE CHANGE THEIR ENVIRONMENT.
Environmental interaction refers to the manner in which man interacts with his environment, that is, the surrounding ecosystem. People change their environment by constructing all manner of infrastructures such as roads, houses, offices,dams, etc. <span />
The correct answer is A) bronze.
The new material that Neolithic people invented and use for making tools was bronze.
Humans of this time learned to create new tools for self-defense and to work the farm fields and dig the soil. Historians consider that humans in the Middle East, the Sumerians, were the first ones to work with bronze tools. They added tin to copper to produce bronze, a metal harder than copper and more durable.