The kingdom went into decline from the mid-16th century CE when the Portuguese, put off by the interference of Kongo's regulations on trade, moved their interests further south to the region of Ndongo. The latter kingdom had already defeated a Kongo army in 1556 CE.
The industrialization of Washington's economy brought with it more than a few social consequences. The dramatic rise in population and wealth, as well as the greater connection with ideas from the rest of the United States, diversified Washington's culture beyond farmers and laborers.
Answer:
We hold these truths to be self-evident: that all men and women are created equal; that they are endowed by their Creator with certain inalienable rights; that among these are life, liberty, and the pursuit of happiness. . . .