The Republican. Because I wouldn't think its the democrat and it cant be the whig so it has to be the republican.
ANSWER: The resulting Clean Air Act of 1970 made EPA directly responsible for establishing limits on air pollutants and enforcing them. ... The agency eased into clean air issues slowly in order to give researchers time to do their work before legislative deadlines forced Ruckelshaus to promulgate air quality standards.
Answer:
Because adults or older people look down on minors/kids due to the fact that they are younger then them and they see them as weak and all of the above. So due to that when a minor needs affection or support in general form time to time they may act fake or put a fake face on. So for example you may see minor who made a channel like TommyInnit, Ran boo, and Tubbo they didn't get help starting there channels now tommy has 11 millions followers, Tubbo has 2 million followers, and has more on streaming site, same with Ranboo he has 2 million and much much more on twitch. So, thats a little message for any minors to never give up.
The main reason why so many of the machines that sped up production and travel were invented during the 18th and 19th centuries is because this was the time of the Industrial Revolution, which saw a great increase in factory production, which helped create the machines in question.
Both of their works are often about a lot of things, but I'd say they were written to, say, "boost morale" of the american people.
