Question

1. choose the best answer.

what was the origin of the saying \the real mccoy?\
elijah mccoy was the most well - known of seven mccoy brothers who were all inventors.
elijah mccoys 57 patents were used to create quality products such as the automatic lubricator for railroad engines.
\mccoy\ was a nickname for inventors in the 19th century.
\mccoy\ was a code name used by black inventors to conceal their ethnicity when filing for patents.

1. choose the best answer.

the u.s. attorney general declared in 1858 that the patent oath did not allow
foreigners to apply for a patent
free blacks to apply for patents
congress to intervene in patents filed by blacks
enslavers to apply for a patent for an invention created by enslaved people

Explanation:

1. The saying "the real McCoy" originated from Elijah McCoy, an inventor. His 57 patents were used to make quality products like the automatic lubricator for railroad engines, which led to his work being seen as the genuine, high - quality option.
2. In 1858, the U.S. Attorney General declared that the patent oath did not allow enslavers to apply for a patent for an invention created by enslaved people. This was to prevent enslavers from stealing the intellectual property of the enslaved.

Answer:

1. Elijah McCoy's 57 patents were used to create quality products such as the automatic lubricator for railroad engines.
2. enslavers to apply for a patent for an invention created by enslaved people