Why was the Forum important to Rome’s economy? A. It was where Roman trading ships were built.
B. It was the site of gold and silver mines.
C. It served as a major marketplace.
D. It staged profitable gladiator events.
please help!!

c

the articles of confederation placed most of the power on the feds

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:

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.