Answer:
A comma after "environmentalism"
Explanation:
Because the comma would provide a proper clause
Answer:
To explain the printing press Gutenberg invented and why he invented it.
Explanation:
The passage begins with describing the situation which led to Gutenberg inventing the printing press. With the growth of literacy game the need for a faster and inexpensive way to produce written documents. The passage then goes on to explain the printing press Gutenberg invented and how it functions.
~Hope this helps!~
A.) The white "Christian" slavers were brutal and barbaric.