Asurvey was carried out to check the rampancy of substance abuse. during the course of the survey, one section of people volunteered their opinions willingly. the other section refused to confirm if they had or had not abused drugs and declined to take part in the survey. this survey suffers from

i would think yes.

explanation:

because we have every natianlity in our country which makes us so diverse and unique. that's why in a lot of cities there are places like little italy, koreatown, chinatown.  

1. artillery

2. jose san martin

3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships