Their population dropped devastatingly fast after their first contact with Western foreigners in 1778, but their numbers are returning to “pre-contact” levels.
President Obama’s executive action to protect millions of unauthorized immigrants from deportation is an act that both follows and departs from precedents set by his predecessors.
For Pew Research’s 10-year anniversary, here’s a list of 10 big research questions we’ve answered over the years that speak to broad ways that America and the world is changing.