what was new technology used during World War II, helped keep soldiers and civilians healthy. Multiple Choice is down below:)!!

The 20th amendment, also called the lame duck amendment, decreased the amount of time between the presidential election and the inaugration of the new president. what are the advancements that allowed for this amendment?

Astorage company rents square storage units by the area of the unit. which graph shows the relationship between the area (x) of a storage unit and the length of its side (y)?

During the industrial revolution, many governmentsadopted an economic system called capitalism. in thissystem, governments allowed businesses to operate asfreely as possible, capitalism led to economic growth inmany countries and a small number of peoplebecome very wealthy. however the system could be harshfor poor workers, who often worked long hours in unsafeconditions just to make enough money to eat. as a result,some workers turned against capitalism and demandedthat their governments take more control over theireconomies.which statement best describes the passages main idea? a. capitalism was beneficial for some people during the industrialrevolution, but others opposed the system.b. capitalism was mostly a cause of problems during the industrialrevolution, which led to its eventual collapse.c. capitalism became the favored economic system for manycountries during the industrial revolution.d. capitalism was to countries during the industrialrevolution, but became a problem after the revolution ended.edit: correct answer is a