When did thanksgiving become a national annually celebrated american hoilday?who made the decision

Use the drop-down menus to answer the questions. which group contributed about half its income in taxes? the aristocracy paid of its income in taxes.

According to douglass, what does the singing of a slave communicate? how does douglass feel about slave songs? in what way is slaves singing misinterpreted by some people? .

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean