Many of the concerns raised by anti-federalists were about giving the government too much centralized power, as well as its lack of protections of the rights of citizens (which were laid out in the Bill of Rights and subsequent amendments)
Answer:
When World War I began, many Americans were reluctant to join the war to avoid involvement in Europe's "petty squabbles" (as it saw them), and didn't feel that it was a threat to the US. They did send Britain essential war materials to help them during earlier parts of the war. The First World War saw a continuation of America's Isolationist policy, as the people of America didn't want to become involved in foreign affairs which didn't concern them. America did join the war, however, after Germany sank the Lusitania, killing 128 American citizens. They only entered the war for the last year though, and if they had come in sooner , the war might have ended much earlier.
Explanation:
After the death of Timur in 1405, power began to shift from migrating peoples to sedentary populations living in large centralized empires. After about 1683, when the last Ottoman campaign against Vienna failed, the great empires for which this period is so famous began to shrink and weaken
In battleground states, they will be more competitive. therefore, people of both parties will feel inclined to run and parties will put more money into flipping them or winning campaigns to show their strength.