Which statement describes a problem of living conditions in cities during the early part of the Progressive Era? Groups of immigrants committed crimes near settlement houses.
Large families lived in cramped tenements that had poor ventilation.
Laws prevented the building of affordable homes for immigrant families.
Wealthy business leaders built apartments to provide homes to factory workers.

This is

Explanation:

Scientific Management and Job Specialization. Perhaps the earliest attempt to design jobs came during the era of scientific management. Scientific management is a philosophy based on the ideas of Frederick Taylor as presented in his 1911 book, Principles of Scientific Management.

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

maybe you need to work on the pipes in the house. i am just saying this because you did not give any details.