The development of a farming culture among preColumbian Native American Indians helped ensure "<span>(4) a more stable food supply". This is true all around the world. </span>
Answer:
During 1989 and 1990, the Berlin Wall came down, borders opened, and free elections ousted Communist regimes everywhere in eastern Europe. In late 1991 the Soviet Union itself dissolved into its component republics. With stunning speed, the Iron Curtain was lifted and the Cold War came to an end.
Explanation:
Military and economic problems have always been strongly intertwined and this wasn't any different in the times of the Byzantine Empire where vast expanses of land had to be readily monitored and guarded. This was obviously a severe financial undertaking which had to be funded. Dee to lack of money with time, the borders weren't as defended as they were in the past
Answer:
They made operations more technical because users had to program their own computers.
The answer is Thomas Edison.