What made some countries wealthy during the age of exploration

In 1990, the average income for an american worker was $1,518 per month. in 2000, the average income for an american worker was $2,632 per month. during this time period, a basket of necessities (food, housing, etc.) increased from $657 per month in 1990 to $1,402 per month in 2000. the real value of income ▼ increased decreased over that 10-year period.

According to the law of supply,suppliers want to sell their product at prices

What do you see as the most effective solutions for drug and alcohol abuse? sociology social problems course