How does observation about an object differ from an inference about that object

Where did washington’s army spend a harsh and difficult winter in 1777–1778?

Which is the best description of a political campaign tactic during the ele tion of 1828

What are the vedas? a. regions ruled by a vedic king b. a group of female hindu saints c. a tribe native to north india d. a collection of ancient hindu scriptures e. the autobiography of a saint