the panama canal is a building that usa help to build because france didnt wanted to get infested by the yellow fever, that helps boats go from europe to america, and if they wouldn't make it the boats will have to from the bottom or the top of america and when they did that, there will be pirates and steal there things
2nd option, Not all situations are appropriate times to use cell phones. I took the test and it showed me that i got it right and this is the right answer you guys. Hope this helps!