What acts against the direction of motion and gets larger as an object moves faster​

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.