<span>adopting the gold standard opened the country to foreign investment</span>
Answer:
Mostly what took place in the south was slavery and segregation.
Explanation: Slave owners would have their slaves in the hot sun all day and would beat them if they didn't do what was asked of them. Now segregation is where African Americans and White people couldn't be together they had to be separate. hope this helped :)
D. The poor living conditions of the working class in industrial cities
Explanation:
Lincoln Steffens is remembered for his work on the corruption and the life of working class in industrial America which he compiled in his book called the Shame of the City.
It delved into the deep seated corruption and systemic exploitation which was rampant in the big industries of the country which were booming with profits but were designed to exploit the common man.
His study on the exploitation on the working class was instrumental in getting more worker rights for them.