Which are examples of cooperative federalism? (Select all that apply.) 1-Medicaid programs administered on the state level

2-"Race to the Top" money given to states for education

3-collection of property taxes for funding school systems

4-building the interstate highway system

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:

not really sure i needed the points. sorry