What was this structure most likely used for? creating terraces for farm fields practicing rituals and ceremonies playing a ball game with stone hoops protecting a city from invading armies

the structure was most likely used for;

c. playing a ball game with stone hoops

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

explanation:

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: