Which developments of the 1920s contributed to an improvement in the American standard of living? Select four options.

greater amount of leisure time

better means of communication

increased availability of automobiles

more types of entertainment from new technology

Explanation:

cannabis

explanation:

(assuming this is the us) google it. law states you can't have weed.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.