Answer:
D). industrial and commercial centers.
Explanation:
During the High Middle Ages, Europe was a rural continent, but after the 11th century, towns began to rise. From the eleventh century, technical innovations allowed an agrarian development and there was a population increase. These techniques, such as improved use of the plow and implementation of the soil cultivation relay, increased production capacity. In addition, there was an increase in the soil used for agricultural cultivation, from the eighth century, with the use of belching in clearing forests.
The main reason why so many of the machines that sped up production and travel were invented during the 18th and 19th centuries is because this was the time of the Industrial Revolution, which saw a great increase in factory production, which helped create the machines in question.
False
The Aryans put the caste system into place, not the Mauryans.
California is one of the countries that settle
