The steam-powered plow and gasoline-powered tractor affected agriculture by helping farmers plant and harvest more efficiently. allowing farmers to use horses to tend to their crops. making planting and harvesting more time-consuming. forcing farmers to hire more workers to tend to their fields.

What were the short-term and long-term impacts of the american revolution

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.

Plz me in 1756 george washington was sent on a mission to, a. build a fort at the point where the allegheny and monogahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio valley.