C: <span>halting the spread of communism throughout the world.</span>
Physical landscape is EXTREMELY important in agriculture and industry. Agriculture requires a nearby water source, flat land, and fresh soil. This is why most plains are used for agriculture. Industry requires natural resources in the vicinity.
Any of that is right because we have two different variables and we can’t mix it
I'm pretty sure this statement is true, but you may want to do some research on it. <span />