Although the the when they formed is unknown coal formed really just like anyplace else, it started millions of years ago. It really depends on what time era were talking about. But they were probably more plains and woods then anything.
the booming success of the economy and opportunities for jobs equaling into money which gives yu room for a better life than most of Europe at that time
Answer:
military revolution in which cannon, muskets, and commoner foot soldiers became the mainstays of European armies. Armies grew in size, and most European states maintained standing armies.
