Which of the following best explains why all goals cannot be met in economics

The president vetoes a bill proposed to become law by congress. in this situation, what happens to the bill?

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.

The following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?