I believe the answer is: the Columbian Exchange
Columbian exchange refers to the exchange of knowledge, labour culture, plants , and animals that heppened between countries in american continent during the 1500s. When the exchange happens, different races crossbreed with one another which resulted in the birth of new races.
Yes, this is true. This is named as a speech that incites (makes people commit) imminent lawless action - that is, speech that incites violence or breaking the law.
Another exceptions to the rule of free speech are obscenity,- which is a quite controversial exception.
Adaptational failure.
Definition:
Adaptational failure refers to the Failure to master or progress in accomplishing developmental milestones.
Answer:
The answer is C. An electron microscope.
Explanation:
Yes, I think that identifying the purpose would increase the credibility of the source, so if we understand the "should" here as "would be good if, is recommended" - then this statement is true.
Including the intent of the information in the source will help place the information in a wider context - and often the context is necessary to fully understand the content of a source.