During revolutions in 1848-1849, the Frankfurt Parliament had produced a constitution for a unified Germany, but that move was rejected at the time by the king of Prussia, to whom the constitution was offered.
300 German states = before unification
The German states had a long history of sovereignty in their individual territories. Unification meant bringing all those states together into one national entity.
trade facilitated in the region = before unification
The Zollverein, or customs union, was created between the German states in the 1830s. This eliminated customs tariffs between states and was a step that began moving in the direction of unification.
risk of French aggression = before unification
Germany became a united empire after the Franco-Prussian War of 1870-71. Victory over France in that war by the German states operating as a coalition was part of what brought about unification.
boundaries changed by Napoleon = before unification
When Napoleon conquered territories throughout Europe in the early 1800s, he rearranged borders to enhance his empire's management of conquered territories. In the German states, this made them work together in ways they had not before, and was a catalyst toward desires for unification.
two-house legislature = after unification
There was a legislature in the North German Confederation (1867-1870), which preceded unification. But that was a single-house (unicameral) parliament, whereas the Reichstag (legislature) of the unified German Empire was bicameral.
The restoration of Chinese rule, the voyages of Zheng he, and the reintroduction of civil service examinations are all associated with the rise of nationalism, among other things.
This is a subjective question, but in general, the Founders believed that uneducated people should not be allowed to have a say in the movement of the country, and many people today agree.
The most active period of the Trans Atlantic slave trade was during the period between the years 1501 to 1867. The Atlantic slave trade or Trans Atlantic Slave Trade became very popular between the 15th and the 19th century. Most of the slaves were captured and taken to the New World. The transport of slave trade took place via the Triangular Trade route.
