De acuerdo con los autores Moreno Brid y Jaime Ros, ¿Cuáles fueron los orígenes del atraso económico de México en el siglo XIX?

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else

hello there, can you add the "following" multiple choices

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)