Both promoted the idea that laws should apply equally to all citizens.
The became engines because when ever the Europeans crossed ocean they wanted more land and started pushing native turfs and destroying the recourses but also not all hated Europeans
Easier travel and trade.. with others outside
This was to make sure trade could flow as smoothly as possible. I hope this answer helps!
The KKK reemerged again and grew to millions of members in the 20s for a variety fo reasons.
They first gained a foothold in the depression after World War I before the roaring 20s. By stoking the xenophobia and conservative moralism of white Protestants in cities around the country (not just the South), the KKK was able to recruit members who feared immigrants and a loss of their "way of life."