useless trivia: What Word Means: Sloping?

Questions

The ------- Indian language was used successfully as a code by the United States in World War II.?

In 1872, U.S. President Ulysses S. Grant designated two million acres in Wyoming as ----------------?

In 1935, ---------- was renamed Iran.?

In 1935, the police in Atlantic City, New Jersey, arrested 42 men on the beach. They were cracking down on --------- bathing suits worn by men.?

In 1990, the children's classic --------------- was pulled from the optional reading lists for 5th- and 6th-graders in Clay County, Florida, because the book reportedly used objectionable language.?