I don't know if you meant to type anything more than "Llamas" but the answer should be horses.
UV radiation should be the answer.
It would be B because state governments (Arizona,Texas,New York etc.) deal with there state while the federal deals with the country (United States) as a whole and making a treaty with another country would deal with the federal government.
The French Revolution began with the storming of the Bastille. They freed the prisoners of the Bastille as the symbol for being freed of oppression.