What impact did the development of horticulture (farming) have on pre-European American Indians?
A) It allowed them to grow their own food so that they did not have to be nomadic.
B) It allowed them more time to hunt and gather.
C) It made shellfish their most important source of food.
D) It allowed tribes to be more isolated and decreased trade networks

A

Explanation: because they have always been Nomadic tribes they where able to settle down and build there homes and farming allowed them to do that.

c

explanation:

i am pretty sure hopefully just you

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: