Common in small-scale African societies during the Middle Ages, the practice of agriculture involved just producing enough food for one's self and immediate family, and not enough to trade with or sell to others.

subsistence farming

subsistence farming. agriculture that produces just enough to feed the farmer's family with little left over to sell.

Explanation:

Brainliest Please

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

the answer is 1.. i think