1. what made mustard gas so effective?
it was effective in stopping air attacks
it didn't need to be inhaled to be effective
it was colorless
it caused instant death in most cases

2. why did people inside of tanks often pass out?
they had very little training
it was so fast
they were terrified
it was very hot and there was nothing separating them from the engine and its fumes

1.  It didn't need to be inhaled to be effective

2.  It was very hot and there was nothing separating them from the engine and its fumes

Explanation:

mustard gas is a chemical agen that caused severe burning of the skin, eyes, and respiratory tract; can be absorbed through inhalation, ingestion, or coming into contact with skin/eyes.

during both period congress passed law restricting the civil liberties of american citizen that meet with the overall public support is the one statement that explain the rate scare of the 1920 and 1950 is very similar