Question

1. choose the best answer.

patent applications in the years after the civil war were filed ___.
more often by white inventors than black
solely by white inventors until the supreme court intervened
more often by black inventors than white
at a similar rate by black and white inventors

1. choose the best answer.

___ invented and patented the multiple - effect evaporator still used today to desalinate water, and to make sugar, glue, soap, and milk.
dred scott
james derham
george speck
norbert rillieux

Explanation:

1. Historically, after the Civil - War, patent applications were more often filed by White inventors than Black inventors due to systemic barriers and discrimination.
2. Norbert Rillieux invented and patented the multiple - effect evaporator which is still used today for desalination and in the production of sugar, glue, soap, and milk.

Answer:

1. more often by White inventors than Black
2. Norbert Rillieux