When the southern state seceded from the union, james buchanan said the act was unconstitutional. what was one of his reasons

How did richelieu intend to strengthen the monarchy of france

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?