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.
The letter that makes the Louisiana purchase is A
Answer:
an invention. the assembly line. Henry Ford made it popular but some one else created it
They exported teas<span>, </span>salt<span>, </span>sugar<span>, </span>porcelain<span>, and </span><span>spices
They imported </span>cotton<span>, </span>ivory<span>, </span>wool<span>, </span>gold<span>, and </span><span>silver</span>
Ratification probably would not have occurred with in the promise to swiftly propose a bill of rights
