Why are secondary sources important to the study of history?
(a).museums usually contain the majority of these sources.
(b).these sources provide information written by other authors.
(c).these sources include bones and weapons.

They help explain new or different positions and ideas about primary sources.

Explanation:

could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.

the enslaved people onboard suffered from illness with some frequency