What is something that needed to be changed in the 20th century

labor laws, women's rights, taxes on food and gases, and school funding

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

the percentage of students at the school need special diets is

c) 10 percent