What caused the fall of the roman empire?

land region was too large to defend

defeat by greece in the pyrrhic war

lack of cultural cohesion

peasant rebellion

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