Write the importance of energy in point.( short point)

How did the russian revolution impact world war l ?

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above