"Surrogate wars" also known as "proxy wars" are wars fought in a third country. The US and the Soviet Union were fighting each other in, for example, Afghanistan and Vietnam.
They preferred proxy wars, because they came without civilian victims of own population and without a distraction of the infrastructure of their own countries. In short, the two powers could compete militarily with each other without suffering the worst effects of the wars - this situation allowed them to try to defeat the other one without much risk to their own population.
Kentucky was a border state.
AAISW stands for Amalgamated Association of Iron and Steel Workers. It is a union tat represents the iron and steel workers and their needs, formed in 1876. The goal of this union was to regulate working hours, workload levels and work speeds and to improve working conditions. AAISW organized the Homestead strike- an <span>industrial lockout and strike which began on June 30, 1892 and culminated in a battle.</span>
Egypt was a very wealthy Ancient Civilization, mainly due to the Nile providing it with a very solid trade system.
I hope this helped!