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.
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An archaeologist was able to determine the sites by the bricks similar but was old found in the area where they lay railroads.
<u>Explanation:</u>
- While railroads were constructed in Pakistan the engineers were searching for ballast which is used for railroad construction to drain water from the railways.
- Archaeologists later discovered the settlements along the Indus river, thousands of clay pellets with writings older than Sumerian, combs, pottery, seals, urban, plans with grid pattern during the excavation process.
- Both Harappa and Mohenjo Daro is a part of Indus Valley Civilization. The period of the excavated materials and artifacts is determined by the process name called Radio-Carbon Dating in which the age of the carbon can be accessed.
