Which of the following is a positive consequence of technology used to modernize agricultural techniques? Question options:

Chemicals have contaminated water supplies.

The amount of water needed for irrigation increases.

Salts build up in the soil.

Farms are more productive.

Which statement best represents an economic weakness of the national government under the articles of confederation? a. the national government was unable to collect taxes. b. national and state taxes combined were too high for most services to pay. c. congress set different tax rates for each state, leading to conflict. d. state refused to collect taxes on behalf of the national government