Based on the map, why might some southerners feel the missouri compromise favored the north?
a- there was foreign threat south of the line b- there was less farm land south of the line c- there was more territory north of the line d- there was more fresh water north of the line

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