It is true. And i gotto make my answer longer -.-
Answer: D) Companies replaced hand-operated brakes with air brakes on trains.
Answer:
The period saw a fundamental transformation in scientific ideas across mathematics, physics, astronomy, and biology in institutions supporting scientific investigation and in the more widely held picture of the universe. The Scientific Revolution led to the establishment of several modern sciences.
The France and Spain countries were catholic, England and the Netherlands were protestant
People could not create a fair system with three separate powers. Letters of Centinel comprises a succession of letters written by Samuel Bryan. The letters were significant in the Anti-Federalist movement and American political thought as they helped shape the framework of government
