What is the purpose of a trade barrier is... A. raise prices of anther country's products
B. to create a hostile relationship with another country
C. market and sell another country's goods at a fair price
D. restrict trade from another country while boosting sales of domestic goods

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

Why do we have so many wars in the us

Alcohol is involved in about of all fatal highway accidents.