Answer:
the fertilizers used by farmers contaminate the river
Answer:
c. construction of tunnels, highways, courthouses, and airports.
Explanation:
The Civil Works Administration or the CWA was a
that was established by
during the
in order to rapidly create the mostly manual-work jobs for millions and millions of the unemployed workers during that time. This project was created under the 
This project was designed to bring back the jobless workers into work by providing employment in different sectors. It employed around 4 million unemployed workers during the Great Depression period in the constructions of tunnels, highways and also in the construction of the courthouses and the airports.
So, the correct option is (c).
The Rocky mountains would do so.
The four causes of conflict are: differing aims and methods, competing or disparage goals, differences in philosophies and personality conflicts.