How many immigrants arrived in the united states between 1875 and 1910?
fewer than 800,000
about 2 million
almost 8 million
more than 20 million

More than 20 million. The true growth of cities in the United States along with nature of its democratic rule led to a massive surplus in immigration during this span of time. Many of these immigrants were European in nature. One such example to demonstrate the massive surplus would be the city of New York, which was predominately foreign based around the year 1900.

Accumulating more land so that your country can continue expanding without running into problems such as overpopulation

Ican try and , just lmk what you need with!