The Austonian (Austin), Trammell Crow Center (Dallas), continental Center I (Huston)
Answer:
james smithson was an English chemist and mineralogist. He published numerous scientific papers for the Royal Society during the late 1700s as well as assisting in the development of calamine, which would eventually be renamed after him as "smithsonite".
Explanation:
Is A that’s the most Reasonable answer
It introduced the use of coal oil and natural gas as sources of fuel.
A. Cotton gin
The South was based on agriculture, which means lots of cotton was produced. The cotton gin is a machine which made this much easier.
