What caused the depression martin van buren faced as president?

In 1837, the United States was in a big economic depression, or time when business is bad and many people are out of work. The depression was not Martin Van Buren's fault, but he took a lot of the blame anyway.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: