This one is the cause:
<span>growth of the factory system.
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<span>Growth of the factory system lead to pollution (from the factory chimneys), it made people move from farms to the cities and as a result the number and size of cities increased. </span>
Number 1 is C!!! Do you need two also?
Fun fact Hitler was an artist he wasn’t that bad honestly this boy was fresh with it but then they rejected him and then he became a killer cosas sad
During the Civil War the northerners fought because they were against slavery, the southerners fought because the slaves did the work for them.
<span>With the conquests and voyages of explorers like Christopher Columbus, Portugal was the first country to really start the concept of European Imperialism, whereby countries ventured out for other lands as a way of increasing their influence upon the rest of the world.</span>