Answer:
In 1979, the Iranian Revolution occured that removed the Shah from power.
Explanation:
Migration:-
Migration is to leave the country you live in, your own country and go live in another country you chose forever.
Unrestricted submarine warfare (on merchant ships) and the sinking of the RMS Lusitania.
Because they were large civil and organized and had also adopted many things from white men
I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
