Machines and transportation innovations made everything go faster. machines in the workplace changed everything skilled craftsmen became obsolete machines could make things better faster driving prices low product output increased in order to keep up business owners made workers work set hours(often long) but paid very little. many machines replaced workers so if someone didn't want to work there was someone to take his or her place
-germany/japan
-allies/axis
-the last part im not sure its mostly a personal answer
Italian city states were a political phenomenon of small independent states, around the northern part of the Italian peninsula around the 9th and the 15th century. They were governed independently