Answer:
A. English colonization in the Americas
Explanation:
The invention of paper was what brought about printing technology into the world years after this invention.
<h3>The history of Paper</h3>
Paper is known to have being an invention of the Chinese people. Cai Lui is the Chinese that paper making is attributed to.
The first paper came into existence in the Han dynasty in 105 CE. It was created through the use ofb rags and also materials from plants fibers.
Read more on papermaking here:
brainly.com/question/10469404
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It is technically false that the Frontier ended when the open land was gone, since the open land was never "gone" just either taken up by private owners.
