The steam engine replaced horse drawn railroad cars. The steam engine was a revolutionary invention. It would forever change transportation.
The final battle was Yorktown
Well at first people named things for how they looked, for example, the heart has a heartlike shape. Eventually scientists started using Greek and Latin roots and such in names to prevent confusion.
The Politics of Mexico take place in a framework of a federal presidential representative democratic republic whose government is based on a congressional system, whereby the President of Mexico is both head of state and head of government, and of a multi-party system.
