1. Why did the Roman Republic fail to survive challenges by Julius
Caesar?

They thought he owned to much of the power in the Roman Empire, while the regular citizens thought of Julius as a hero. ... Julius Caesar a new dictator and military leader gained so much power that he became the top of the social class.

Hope this helps! Brainlist?

answer; ///i do believe that the correct answer is (b) ///middle colony

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain