What is the historical significance of the passing of the 18th and 19th amendments?

Here's one: In 1919, the U.S. adopted the 18th Amendment, launching Prohibition; in 1920 came the 19th Amendment and women's suffrage. ... Perhaps a larger percentage of Americans can again learn to recognize that one should never try to end one problem by also canceling an unrelated good.

Explanation:

:)

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.