Weegy: The telegraph was invented in 1838 by Samuel Morse.
User: Commercial Capitalism was based on
a.
people buying and selling.
c.
the factory system.
b.
manufacturing goods.
d.
the domestic system.
Weegy: Commercial Capitalism was based on a. people buying and selling.
User: Interchangeable parts
a.
eliminated the need for human labor as machines replaced people in the factory.
c.
increased production costs because more workers were needed to make each individual part.
b.
meant that one machine could do various jobs.
d.
reduced the need for skilled workers to produce the parts.
(More) 
