Which of the following arguments could be used to support the placement of the hellcopter on a timellne before the Invention of a radio amplifier even though both were invented in 1907?

The helicopter is more useful than radio amplifiers and would likely be used more by the public.

The helicopter is used to help transport people in emergency situations to life-saving medical treatment.

The helicopter expanded the role of aviation and led to greater research and development of air travel.

The helicopter was a major breakthrough in transportation that increased the ability to transport goods across the country,

In my honest opinion , i’d say franklin d roosevelt was a president that impacted our nation , i say this because fdr is voted among top three best us presidents and he was the longest serving president by 3 terms , usually presidents only supposed to have two terms increments of 4 years , equivalent to 8 years total before election time. and he established the fdic , through the 1933 banking act and he established the us , social security system , during his presidency, and established a national minimum wage , through the fair labor standards act , fdr led the allied coalition to victory in wwii and he played a major role in the creation of the united nations.