What is one advantage a primary source has over a secondary source

Primary source is first hand which means it comes from the person who witnessed or experienced the situation.  Secondary source is someone that did not experience it first hand and did not participate in the event. So one advantage would be that first hand would be more accurate.

the british they shot them

the right answer is d) a conference committee. it is a temporary panel formed by house and senate members in order to reconcile differences in legislation.