All 4 contributed, but B and D are the most direct causes.
The correct answer is increase in industrialization.
Due to the technological advancements of the mid-late 1800's, Americans started to rely more on industry rather than farming. Working in a factory rather than a farm had its perks. People who worked in a factory had guaranteed wages, whereas in farming the amount of money a person makes is dependent on several different factors like the amount of people who want to buy your products, climate, location, etc.
Answer:
In this case, the Supreme Court held that Congress has implied powers derived from those listed in Article I, Section 8. The “Necessary and Proper” Clause gave Congress the power to establish a national bank.
Explanation:
<h2>What was a major effect of the Library of Alexandria? Pls Help 20pts
</h2><h2>
</h2><h2>It only contained Greek works, which helped others learn about Greek culture.
</h2><h2>It provided ships with a safe route to the city and increased trade relationships.
</h2><h2>It contained scrolls from many cultures, so students built on old knowledge and spread new ideas.
</h2><h2>It only allowed Greek scholars in the building, which resulted in them becoming an advanced culture.</h2><h2></h2>
