Which of the following describes an advantage that secondary source's havr over primary sources for historians
a) they cant offer historians firsthand interpretation of an important event
b) they can act as hard evidence to prove whether a society used a particular tool
c) they can provide a general summary of evidence other historians have discovered
d) they can reveal to a historian exactly how people of an ancient culture lived

How did rhe transcontinental railroad effected westward migration

In 1819, what did the united states obtain from spain for $5 million?

Which of the following statements about the fugitive slave act of 1850 is not accurate. a. marshals who refused to arrest a suspected fugitive could be fined $1,000. b. slave owners had to present evidence that an african american in the north was a fugitive slave. c. any person who provided food or shelter to a fugitive slave could be find $1000 and placed in jail for six months. d. it required all federal marshals to arrest any african-american suspected of being a runaway slave.