The land called Teapot Dome in Wyoming was valuable because. it produced oil.
Japan needed territory to grow and expand so they could compete with the western influence and markets affecting their nation.
Conquistadors is the word i think but not positive. <span />
I know for a fact that it was build to guard against the mongols, i'm not so sure about these two tho. It's the longest human made structure at more than four thousand miles, I want to say that two is also applicable
So the answers are 1,2,4
America was named America after Amerigo Vespucci. Vespucci was an early explorer, who lived around the same time as Christopher Columbus.