D world war ll
Because it’s the way
A nation-state must have a shared national identity, physical boarders, and a single government.
Colonial America also had regional differences among culture or historical reason for establishment as a colony. The Southern Colonies were established as economic ventures and were seeking natural resources to provide material wealth to the mother country and themselves. In contrast, the early New England colonists were primarily religious reformers and separatists. They were seeking a new way of life to glorify God and for the greater good of their spiritual life. The Middle colonies welcomed people from various and diverse lifestyles. The social-political structure included all three varieties: villages, cities, and small farms.
The answer is 2: to increase the amount of land available for agriculture.
Reason:
If I remember correctly from Geography last year that is called terrace farming. Common practice in hilly areas where you would be unable to plant crops. Instead, they flatten that out and have “steps” that gives them flat land to grow crops, often rice.