B. Back then it was a fast way to get from one part of the country to the other.
Answer:
The Declaration of Independence was signed on August 2, 1776. It was held at Fort Knox, Kentucky.
Explanation:
The major challenges to historical research revolve around the problems of sources, knowledge, explanation, objectivity, choice of subject, and the peculiar problems of contemporary history. Sources The problem of sources is a serious challenge to the historian in the task of reconstructing the past.
Answer:
John O'Sullivan was concerned that the past had little influence on the present. On the contrary, he was sure that the birth of the new nation marked the beginning of a modern history, which disconnected us from any dusty bygones of the previous generations. O'Sullivan was deeply concerned the the keys to success were hidden in future only.
C the monarchs. hope this helps you