Economic, cultural, and ideological differences were some of the problems unified Germany faced in 1990. Eastern Germany lost a lot of the money during currency conversion. Industrially the east was lacking and did not and could not produce as many products as the west could. Eastern Germany was damaged way more than Western Germany and was repaired at a slower rate than Western Germany. The railroads were not modernized as well as other technologies such as highways, and telephones. Due to the Berlin Wall politically and culturally the Eastern and Western Germans began to do believe and do things differently.
Neither side of the fight could advance due to the military prowess of the other
Lower class servants, both black and white, joined together in the frontier rebellion against the Native American tribes. As a result of witnessing this, the higher (and ruling) class became alarmed, which ultimately increased opposition across racial lines.
This was the Mughal Empire - it was ruling the area from around 1520 and continued having power until 1857, when the British Crown took control of the land. Today the period after the Mughal Empire is refereed to as British Raj.
The Mughal Empire used Persian and Urdu as the main languages (althought many other languages were spoken too).
Mass-productions increased the supply of cars and prices of cars dropped