Which of the following is not a primary source?

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.

In the united state, a system for interaction between unmarried men and woman that casual dating with the purpose of marriage was called

Which task would be executive office of the president most likely be responsible for?