Which civilization lasted longer?

1. inca
2. maya
3. aztec

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Who built the first turnpikes in the united states? a) the national government b) state governments c) private companies d) town councils

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

Should the u.s limit the number of terms a lawmaker can serve in congress