Doing your homework, finding out how you learn best, and organizing a schedule on when you can finish your homework and study.
I also recommend using quizlet it really helps.
Steel. During the industrial revolution, steel had a major increase in production. A way to remember this is to remember the man Carnegie Steel who ran a monopoly that controlled the steel industry during the Industrial Revolution.
I would say D is the correct answer.
It started in 1939 and ended in 1945