What man made structure was built to allow faster travel from the atlantic to pacific ocean

1.how is germany's economic system similar to that of the united kingdom a.both are free-market economic b.both are command economic c.both are mixed economic d.both are traditional economic

In 1917 ww1 started to happen, and america tried to stay neutral but couldn't. what are the two main reasons america didn't stay neutral during ww1

How can i cope with anxiety/stress ? i need the best ways.