Hello! The answer to your question would be as followed:
The process of becoming a US citizen when you are not born in the united states or to parents who are US citizens is called <u><em>"The Naturalization Process"</em></u>
<span>After moving his Army of the Potomac by boat to Fort Monroe on the Atlantic coast in late April, McClellan planned an advance toward Richmond via the peninsula formed by the York and James Rivers. Due to a habit of consistently overestimating his enemy’s numbers, the Union general refused to act until late May.</span>
The best answer is "<span>been steadily increasing" - since 2000, the financial crisis has taken its tool and more and more people are living in poverty. A big part of the phenomenon are poor neighbourhoods - the number of people living in poor neighbourhoods has increased by around 5 million people since 200. </span>
It has membrane bound organelles I think