Answer:
A common theory of how gunpowder came to Europe is that it made its way along the Silk Road through the Middle East. Another is that it was brought to Europe during the Mongol invasion in the first half of the 13th century.
Explanation:
Answer:bh;g hiu;h hiuh
Too much foreign immigration
2 goes where 3 is and 3 goes where 4 is and 4 goes where 2 is and 1 is correct
