Please help me out! I really need this as quickly as possible. Also, 88 points and brainiest.

As a result of the columbian exchange, which crop was transferred to europe from the americas and later spread through the world? a coffee b maize (corn) c rice d olives e wheat

Which of the following problems did shays rebellion show about the articles of confederation? a. there was no federal standing army b. states couldn’t create their own tax laws c. the federal government imposed too many taxes on states d. there was too much federal regulation of interstate commerce

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?