The main reason why the feudal system probably would not have developed if the Roman Empire continued is because "A strong military would have been in place to protect people from invaders" since this is how the Romans kept peace in the past.
women took jobs and dominance in the family during WWI. when soldiers returned from the war, they were looking for a good time, not the "old structure" of society. women responded, joining men in speakeasies, increasing sexuality for instance, shorter skirts, higher divorce rates, drinking, smoking, etc. also, single women could live alone in apartments in cities and work for a living for the first time.
There a couple reasons- one is that the a passage of the New Colossus is etched into the Statue of Liberty at the base (representing America and what it was founded on) and secondly it is one of the most controversial yet powerful poems ever written about America. It describes how the Lady Liberty is Justice and that she’s willing to accept strangers from foreign lands. It describes everything America was founded on and why America is great. This is why it is a classic.
In regard to regulating companies, Roosevelt wanted them to serve the public in the best way possible.