D.
For example in New York, the Erie Canal was dug to connect Lake Erie in western NY to Hudson River in eastern side of NY.
Waterway built to allow ship travel vs. slower overland wagons etc.
C materials to mine for diamonds<span />
Answer: True
Explanation: The IPAWS is the Federal Emergency Management Agency's Integrated Public Alert and Warning System used by Federal, State, Local, Tribal, and Territorial authorities to issue important alerts and warnings to the public.
Some Designated Alerting Authorities include police departments, fire departments, county offices, sheriff departments and airports. The IPAWS makes use of such systems as the Emergency Alert System (EAS) and the Wireless Emergency Alerts (WEA) from an integrated system.