The answer to question 1 is picketing. they were loitering which means they were just standing there and that's a crime to loiter on public sidewalks and especially in front of the white house.
The type of art with no visible subject is abstract art
Native-born Americans who saw the influx of new immigrants to the United States with concern were called Nativists.
In the late 1800s, due to the huge entry of immigrants in America, a lot of anti-immigration feelings came forward. A huge effect on immigrants coming to the U.S. appeared in nativism. Nativism is a policy when people show favoritism toward native-born Americans.
Answer:
B) a jellied gasoline that explodes when dropped in large canisters.