Answer:
A change in standards for women
Explanation:
Basically flappers were the reason people slowly accepted change in women's standards because of the way they acted and dressed. It was considered appalling that a woman would ever do such a thing and being the creatures we are we will do the exact opposite of what you want us to do, say, or be.
With the options provided, the answer to the phrase that trade union differed from the labor unions is that trade unions were organized or formed by skilled workers or workers employed in the building while labor unions are group of workers regarding if skilled or not.
The answer is b. Roger William was one of the founders of Rhode island