Answer:
a. supports and advises the president
Explanation: edg
When you heat air it expands. When air expands it becomes less dense than the air around it, in turn making it rise.
Hope that helped
Churchill was an effective leader and statesman because of his tremendous ability to inspire people; his unique strategic insight; his relentless passion; and his imperturbable personality.
It permitted the expansion of slavery beyond the southern states.
Answer: a view of the world
Explanation: