Which event is an example of citizens making a successful effort to change public policy?

a. the nineteenth amendment gave women the right to vote in response to a public campaign.

b. president lincoln signed the emancipation proclamation outlawing slavery

c. the supreme court decision in brown v. board of education ended racial segregation in public schools.

d. the united states sent its military to europe during world war i.

The correct answer is A) The nineteenth amendment gave women the right to vote in response to a public campaign.

The event that is an example of citizens making a successful effort to change public policy is the nineteenth amendment that gave women the right to vote in response to a public campaign.

People, organized in the correct way, have the strength to make their voice heard by the government. That was the case of the Woman's organizations that were formed to give women the right to vote. Public demonstrations, perseverance, and influence on Public Opinion allowed women to get the same right to vote than men. The 19th amendment to the Constitution of the United States provides that men and women hade the same right to vote.

can you give more details

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.