I would say that this can be seen in two ways:
a struggle of two world views: capitalism vs communism
or
a struggle of two superpowers to have control over the other countries: the US and the Soviet Union (as it can be argued that the two countries were not satisfied that other countries had the same system as they, they also sought control over them).
Although there were many problems faced by the unions in the United States during this time, a major one was a lack of bargaining power. This changed as they recruited more people.
Answer: by decreasing the spread of disease
Explanation:
Hope this helps!
Answer:
Theodore Roosevelt (short and simple)
Explanation: