Several of the appointments were not delivered before John Adams left the presidency & the incoming president Thomas Jefferson instructed Madison to not deliver the appointments because?

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

d. it adversely affected american productivity

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

by improved communication.