What factors led to the united states and russia collaborating on the iss?

The Russians had a lot of experience with space related things because of their previous station which was getting old. The United States had money and will to cooperate. They decided to work together and explore space together since they could help each other and in turn help the world with their discoveries and there were certainly many discoveries.

from the conditions of the working class in england by friedrich engels,the main idea is :

manchester's leaders hoped to oppress its working class to benefit factory owners.