Because copper turns that color because of chemical reactions with other elements. When it gets close to other element's it goes under a series of chemical reactions
Shay's Rebellion. The public was angry they could not have an official money (such as a bank note or Specie). They also assaulted tax collectors and Congress could not summon a force in time.
Answer:
industrialization interested the Europeans- they saw Africa as a place to get resources for their own industrial ambitions, where nations could compete for new markets for their goods, and where they could get many raw materials. Consequently, the Europeans seized areas of Africa.
Explanation:
Germany declared war on France. Of course, Belgians refused to let them through, so the Germans decided to enter by force and invaded Belgium on Aug. 4, 1914. By doing so, they violated the Treaty of London, which is why Great Britain, that was bound to guard the neutrality of Belgium, entered the war.