Why did Secretary of State George Marshall think it was important for postwar Europe to be stable and prosperous?

It would be more likely to reject communism.
It would be more likely to embrace American lifestyles.
It would be able to buy more American exports.
It would be better able to defend itself in war.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling