Which of the following describes the ethnic neighborhoods that were created by immigrants who settled in big American cities in the late 1800s?
O A. Most of the people in the neighborhood worked for the same
company.
B. Most of the people in the neighborhood had a small farm.
O C. Most of the people in the neighborhood spoke English.
D. Most of the people in the neighborhood came from the same
country.

omg i dont know oops sorry

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:

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.