Terrorism is the use of violence to strike fear into people and attain political goals.
The true statement about terrorism is:
This tactic has been used throughout history to draw attention to causes.
<span>If the sentence you provided is the sentence to correct this would be the correction:
Complete the sentence correctly of a student who wants to be part of the class play.</span>
The city-states of Sumer, the world's earliest civilization, developed in Mesopotamia, which is today's Iraq.