Who had the greatest impact on society: jacob riis, jane addams, or upton sinclair?

Dalton developed the first model of the atom that showed the structure of the inside of an atom

The development of greek culture was most influenced by the dorian invasion the region’s climate and geography the trojan war indo-european migrations

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.