Why did west texas ranchers need to pump water out of aquifers to get water for their herds?

What is the relationship of the letters n.y.l> w.c to the new york infirmary for women and children

Describe how the ways in which african americans migrated during the great migration were similar to the immigrants who arrived from other countries in the early 1900s.

One of the main things that tobacco did for jamestown was to?