Which are examples of new security measures that were established after September 11, 2001? Check all that apply. A. People who cross the border into the United States must show passports.
B. People who take public transportation must be searched before boarding.
C. People who fly on airplanes must go through tougher screening measures.
D. People who travel abroad must pay a security fee to the government.
E. People who attend sporting events may face greater restrictions upon entry.

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.

I’m pretty sure it’s 4, you can check on the calculator