What gives the main idea and gives details?

What two elements of education have evolved since colonial times? When did the Democratic Party Platform call for a popular referendum to decide if the nation would go to war? How did the boers zulus and british all clash together? What does the olive branch represent on the dime? How do species evolve from a common ancestor? Who dominated the seas during the fifteenth and sixteenth centuries? Who leader in the Mexican revolution opposed Americans interests in Mexico? Where did the trail of tears relocate the Cherokees to? When were the first aqueducts made? What is the most likey method for delivering a chemical warfare agent to and airbase? Could gladiators become free? Why did President Monroe feel the need for the doctrine? How did the market revolution spark social change? Did William Wallace shout 'Freedom'? Was hajredin pasha dibran? What were the United States' military victories in world war 2? What city is famous for iron smelting in kush? What was president nixons attitude toward the Vietnam war? What words can you spell with the letters z r o l r c e r? What was the insult for a left handshake?

What gives the main idea and gives details?