Which of these took place in the united states during the 1920s? (1 point)
rapid expansion of minority participation in politics
development of a consumer advertising industry
establishment of strong legal rights for labor unions
creation of a system of social welfare programs

Development of a consumer advertising industry

Explanation:

During the 1920s, an innovative understanding of marketing started to modify the business approach and the composition of American companies. While previously companies focused on producing goods, the new Marketing orientation suggested every company was an organization that also sold those goods. With the development of Marketing, advertising also grew to be a very important industry.

otzi the iceman existed at a time when the climate was warm

"the gulf of tonkin resolution in 1967".

the gulf of tonkin resolution (officially called southeast asia resolution, public law 88-408) is a law issued by the congress of the united states of america on august 7, 1964, in which president lyndon b. johnson was authorized1 to act in a comprehensive manner against the democratic republic of vietnam, which he accused of aggressions against us ships in the gulf of tonkin, where the resolution takes its name. the gulf of tonkin resolution is of historical importance because it gave authorization to the us president. lyndon b. johnson, without a formal declaration of war by congress, to use military force in southeast asia.