Answer:
Terrorism is using violence or the threat of violence against civilians for political goals. It has been used in the 21st century against a number of countries. Some examples of terrorism are the 9/11 attacks in America, and an attack in Paris as well, and that's just a few of the attacks. There has been a 61% increase in terrorist attacks in the past year.
Answer:
WWI was ignited when Archduke Franz Ferdinand—heir to the Austro-Hungarian Empire—was shot to death by the Serbian nationalist Gavrilo Princip on June 28, 1914.
I think it's Distrito Federal
I'd say they developed in river valleys (2).
Answer: The governor has the right to grant reprieves, issue pardons, commute sentences, and return fines and forfeitures for crimes against the state.