Big and heavy army to protect them
The main reason why the United States largely shied away from imperialism prior to 1890 was because there was plenty of potential raw materials and resources located in North America, so the US had no real reason to begin searching in other places like Africa.
The Southerners were of the belief that Abraham Lincoln was about to split the Nation even though he had no intention too. And this led to a rising fear of a Civil war occurring in America.
Answer:
1.They had their won government.
2.They used roads to carry messages long distances.
Answer:
No, while Arabs have made important contributions to Western Culture, their contributions have not been the most important. The most important contributions to western culture come from the Ancient Classical World: Ancient Greece and Ancient Rome, and from European contributions of the Middle Ages and the Modern Era.