4.What happened to the Industrial Workers of the World (IWW) because of U. S. involvement in World War I?

It began to decline because of its anti-war movement.

Explanation:

The Industrial Workers of the World (IWW) was established in 1905 in America by Samuel Gompers.

The Industrial Workers of the World was one of the radical groups that support the anti-war movement in the United States.

When war broke out, the Industrial Workers of the World were the primary target of the government. World War I proved the downfall of the IWW, and it could not resist the governmental attacks the war had supported.  

the correct answer is "c: merchants" and "e. soldiers".

the song dynasty was known as the first government in the world to introduce paper currency. it was also the first chinese government which established a permanent standing navy. finally, the first compass was introduced during this period of government.

all of these innovations heavily affected commerce in a positive way. printed money dynamize commerce within the borders of the empire due to an easier way to quantify value during the trade. the introduction of the compass trade routes to be faster. finally, the introduction of a standing navy regulate trade routes.

regarding military affairs, gunpowder was created during this period. this was a tremendous improvement that was widely utilized by the military in order to innovate in the manufacturing of weapons.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain