I believe the answer top your question is probably C) made production faster and cheaper
A. because all the states will have to agree to slavery and the amendment.
What countries are NOT in the United Nations:
Vatican City (Holy See) and Palestine.
What countries are in the United Nations:
All countries except Vatican City and Palestine.
Who is the head of the United Nations General Assembly 2019, AND WHERE is this person from:
Tijjani Muhammad-Bande from Colonial Nigeria
Who is the outgoing head of the United Nations General Assembly AND WHERE was this person from:
Tijjani Muhammad-Bande from Colonial Nigeria
Black is the least reflective color because it absorbs all light
Ngo Dinh Diem was a Vietnamese president from 1955 to 1963, in 1963 he was assassinated with his brother Ngo Dinh Nhu.
Hope that helps