Was north vietnam a democracy or communist area

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

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

Does the amount of material present affect its intensive or extensive properties? explain.