Plz help me well mark brainliest if correct!!...

Which statement is an example of direct democracy? a) people elect a senator to the u.s. congress. b) the town council approves funding for a new high school. c) the president issues an executive preventing states from executing prisoners. d) voters approve an amendment allowing elderly people to pay nothing in property tax.

Which empire was called "the sick man of europe? "

What was a major cause of world war i?