What do the header, title, and author reveal about this piece?

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?

Brainliestttme : ) describe the event: increase in islamic extremism in the middle east

The massacre at sand creek was an attack by a colorado militia on peaceful american indians. a colorado militia on a group of dakota warriors. american indians on peaceful white settlers. federal soldiers on a group of cheyenne warriors.