The Grand Canal was key to China's reunification as it linked both its huge waterways to irrigate and drain China's agricultural zones. Thanks to this, which represented the longest waterway made by man, China's agricultural system prospered, and the population in agricultural areas has grown. Ships with provisions navigated through the canal, boosting the creation of huge urban areas next to its shores, which otherwise would have not been able to receive supplies with such ease.
What the Treaty of Ghent did achieve to which it ended the War of 1812 was it set up a peaceful process for settling future disputes. The war was between United States and United Kingdom and the treaty was signed on December 24, 1814.
Germany and Ireland were the two countries that sent the most immigrants to America between 1860 and 1900. The immigration was voluntary, not forced by their own governments.
