20. Which weapon used during WWI resulted in many fatalities
during and after the war?

The internal combustion engine was an innovation of

Who were the people that migrated south into india and indus valley

Enlightenment thinkers most contributed to the development of whichpolitical idea? a. religious leaders should play the largest role in establishing asociety's laws.b. democratic governments have the responsibility to protect humanrights.c. criminals must be punished harshly if a society is to maintainorder.d. written constitutions place unnecessary restrictions ongovernments' powers.