Answer:
Italy had the sharpest decline in immigration
Germany was the only county which increased from 1921 to 1929
Answer:
World War I developed into a global war for a number of reasons. First, the system of alliances quickly brought other nations into the war. This quickly led to a war between the two alliance systems. But Italy switched sides and entered the war on the side of the Triple Entente in 1915.
Explanation:
<u>Answer:</u> Slaves or Gold
<u>Reasoning:</u> The yellow line is Africa's line, marked as "Slaves, gold"