The British established an "opium" trade with China, since opium was in high demand in Asia, and both the British and the Chinese saw an opportunity to make immense profits.
The Thirteenth, Fourteenth, and Fifteenth Amendments reflected the growing 19th century American trend of "progressivism," since these were all meant to give African Americans more rights in the United States.
Whats the question? there is no question there
Slaves saw emancipation as more than an end to slavery, but also education, voting rights, and rights before the law. The 13th Amendment passed in January 1865 ending slavery in the Union and ensuring that under US control, slaves in the south would be freed.
Beginning in 1950, US involvement increased from just assisting French collision forces to providing direct military assistance to the associated states (Annam, Tonkin, Laos, and Cambodia). In May 1961 Kennedy sent 500 more military advisers, bringing American forces there to 1,400.