Well, this would be called the industrial revolution and in this area lots of factories and machines were being built and it helped speed the process of making things. For an example the steam engine, the locomotive, the telephone, the rifle, and my favorite the light bulb.
Answer:
They emerged along sea coasts.
Explanation:
This is the main characteristic that the first civilizations in Asia and Africa had in common. These early civilizations all emerged along sea coasts for several reasons. On the one hand, the sea provides many resources, particularly food. Moreover, water tends to be easily available, as many rivers end in the ocean. Finally, the sea can make travel and contact with other civilizations more likely.
During the American revolution Britten had paid slaves because the king told them if they dint support the Americans then they would have there freedom