Why did Spain create missions in the colonies

How did the battle of okinawa affect president truman’s decision to use the atomic bomb against japan? it showed that japan was close to surrendering. it showed that the us could not win the war without it. it showed that japan was willing to fight to the end. it showed the us could easily defeat japan.

What was the historic border between the united states and mexico?

What was going on with south asia before europeans came ?