Answer:
First of all, you can just search it up on the dictionary, but <em>procedures </em>are established or official ways of doing something.
<span>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.</span>
I believe the correct answer is c I'm not sure you might want to double check
Modern medicine, war mechanisms
