Which of these describes how ancient inca civilization modified their environment? they fertilized crops and created terraces for farming. they built tunnels through mountains and dug irrigation canals. they built rope bridges over rivers and built tunnels through mountains. they created farmland in marshes and built roads.

They created farmland in marshes, and built roads.

They built tunnels through the mountains

Explanation: I took the exam

the correct answers are: 1) lay and collect taxes and duties; 2) pay debts; 5) borrow money;   6) regulate commerce with foreign nations.

article 1, section 8. refers to the powers of congress. according to the united states constitution: “the congress shall have the power to lay and collect taxes, duties, imposts, and excises, to pay the debts and provide for the common defense and general welfare of the united states.”

what are the following?

explanation: