What is the porpose of an introductory paragraph in an arguementative essay

Which statement best describes why article 3 of the constitution gives congress the ability to create lower courts inferior to the supreme court from time to time

6. how did trade with the venetians contribute to the fall of the byzantine empire?

What was true about sharecropping? a. landowner provided free tools and seeds.b. workers could leave the land if they failed to make money.c. landowners often took advantage of workers.d. workers received ownership of the land they farmed after a set number of years.