What did workers in bismark's germany do to improve conditions in the workplace?

overthrew bismarck’s government

elected werner von siemens chancellor of germany

invented new methods for tracking work hours

banded together and formed labor unions

answer is d) banded together and formed labor unions

Explanation:

A. They helped win the Battle of Santiago  in Cuba.

Explanation:

After the Spanish naval force was practically destroyed near Santiago de Cuba the U.S. Navy was recognized as one of the leaders in the world after this battle. But the Americans were reminded of the disorganization and low accuracy of firing at the beginning of the battle. The victory of the US forces succeeded in winning only because of the apparent superiority of the human forces and the almost complete lack of military training of the Spanish fleet.

A few days later the bombing of Santiago began. Among those who had the main in the siege where the Rough Riders. After the strong siege the city surrendered. In total, 24,000 Spanish soldiers surrendered in the south of the island. As early as August, the US military, along with the Cuban rebels, had completely captured Cuba.