Suggest two reasons why irrigation is important for human development of the desert

Irrigation is important for human development of the desert because it allows us to grow crops and other vegetation where it normally wouldn't be able to survive because of the lack of water.  

the thirteen colonies are:

connecticut, delaware, georgia, maryland, massachusetts, new jersey, new york, new hampshire, north carolina, pennsylvania, rhode island, south carolina, virginia

i do not know the answer bro