Patent law<span> is the branch of </span>intellectual property law<span> that deals with new inventions. Traditional </span>patents<span> protect tangible scientific inventions, such as circuit boards, car engines, heating coils, or zippers. ... Once granted, a </span>patent<span> gives the inventors the exclusive right to sell their invention for 20 years.</span>
Answer:
D. They wanted Native Americans to become Christians.
Explanation:
Answer:
The discoveries of diamonds in 1867 and gold in 1886 in South Africa increased Europeans interest in colonizing the continent
Explanation:
The extension of slavery into the western territories.
For a specific instance, see the landmark supreme court case Dred Scott v. Sandford.