Congress had decided that once a slave traveled into a free state, they were free and they could never be enslaved again. But in the Dred Scott decision, they changed their mind and people no longer had to honor "once free, always free."
Hope this helps!
A talkie was a movie that had talking in it. For most of the time movies had only music and no words. Well during the 1920s movies with dialogue came out. These became known as talkies and people from all around would come to watch these at the local theaters.
Okay so one with the lady seems as if she is bolting something in with a screwdriver. So the caption "It's our right too" seems to mean that the woman also want power in America. That they are American and should be given the same rights as the American men do. Picture two seems as if there is a aviator during WWl and is describing how the war was caused by whoever started it and their rebuttal is "We'll give'em hell!" Lastly the third picture looks as if a boat is sinking and if you spread any vital information "Loose lips might sink ships" simply means that anything that you might say in that era that could affect the ongoing war spies and other enemies might listen in and report causing failure in the war.
Britain needed money to pay for its war debts. The King and Parliament believed they had the right to tax the colonies. They decided to require several kinds of taxes from the colonists to help pay for the French and Indian War.