The answer is C. Rubber. Iquitos profited greatly from the boom of the rubber industry, beginning in the 1900s.
The correct answer is C. changes hands frequently
That means that there is no consistency in their work which only means bad things for the state. Laws keep getting changed and people become angrier and angrier with the government.
It is Important because an unusual occurrence in the realm of international relation
The Indo-European tribe called the Aryans invaded and conquered the Indus Valley Civilization, but many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change.
The answer is B. Tsunamis. The underwater and above water volcanoes around the Ring of Fire erupt due to the high amount of tectonic activity, which causes the tsunamis.