What is the main way a representative democracy differs from a direct democracy? a. Citizens elect leaders who vote on the issues in a representative democracy and citizens vote on issues in a direct democracy. b. A representative democracy is modern and a direct democracy is ancient. c. A representative democracy works better in small groups, and a direct democracy works best in large groups. d. Citizens’ desires are ignored in a representative democracy, and citizens’ desires have a better chance of being heard in a direct democracy.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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the answer is false.

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: