Nomads is the right answer.
Anyone who moves from one place to another rather residing in one place is called the nomads. There can be many reasons for the migration of the nomads such as herders change places because of the weather( that is not suitable for their animals). whereas, other nomads including that of the traders and merchants, travels move for exchanging of their goods.
When the United States dropped the first atomic bomb in Japan, the Soviets honored their promise to declare war on Japan. The bombed was dropped on August 9, 1945 in the city of Nagasaki. Nagasaki at that time was described to be an important industrial and shipping area with a population of about 258,00.
The U.S. Took them from Mexico and Frank/ Great Britan
After metaphase is complete, the cell enters anaphase. During anaphase, the microtubules attached to the kinetochores contract, which pulls the sister chromatids apart and toward opposite poles of the cell (Figure 3c). At this point, each chromatid is considered a separate chromosome.
Because there was cheaper and faster transportation.