The rulings of the supreme court under john marshall contributed to enhancement of

He constitution dictates that the presiding officer of the senate is the a) majority whip. b) vice-president. c) majority leader. d) speaker of the house.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

On the map above, what is the name of the island to the west of letter b?