Slavery was defended for many reasons in the 1800s. Which opinion best explains why some citizens of free states might support slavery? (1 point) a Slaves were needed to build railroads and new cities in the west. b Escaped slaves should not be protected by the governments of free states. c New states should be able to choose whether slavery would be legal or not. d Southern agriculture was too important to the U. S. economy to lose slave labor.

D, Southern agriculture was too important to the U.S. economy to lose slave labor.

Explanation:

The South back then heavily supported the US economy with their cash crops. Without slaves doing this free labor, the economy would almost undoubtely decline significantly.

Hope this helps!

answer; ///i do believe that the correct answer for the above is ( which states would be free and which states would have check first good

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.