What has historically supported the development of the seattle-tacoma area of the pacific northwest?

The correct answer is cheap hydroelectric power

They had great hydroelectric potential because of all the flowing water so making dams and power plants was great for the area which meant that they could produce energy cheaply. They developed much faster because of it than many other parts of America when they began with development.

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.