Around the world and beginning in the 1830s in the u.s. the growth accelerated "during the <span>industrial Revolution". This revolution made the incomes of most social classes except the elite soar in ways they had not before, creating upward mobility.</span>
The reunification of German was through force during the reign of Bismarck. The first war of unification was the Danish War in 1862. This was followed by the Austro-Prussian war in 1866. In the end, Bismarck used the Franco-Prussian war of 1870-71 to unify the states of north Germany
This was another answer from another person who asked it hopefully this helps or soemthing
<span>The Monroe Doctrine prohibited European powers from interfering in Latin American affairs. 1824</span>
Mass production of goods resulted in the use of mechanization to have an oversupply. Some labor work were replaced by machines, which created unemployment and change of needed skills for an upgrade. Common work can be done by machines while the craft was still handed down to skilled workers. There was a high demand for buying machines that can reproduce products faster.