useless trivia: What Word Means: An Oaf - A Hopeless Ineffectual Person?

Questions

which plant does the hallucinogen mescaline come from?

who became france's first woman prime minister in 1991?

what is a condition that causes abnormal difficulty in reading and spelling?

which athenian historian wrote history of the peloponnesian war?

what is the right of succession or inheritance belonging to the eldest son?