The columbian exchange was the exchange of wealth, crops, livestock, and most importantly disease between the new and old world. foreign people came into contact with each other and lacked the needed immunity to prevent illness. some crops exchanged were squash, corn, beans, and potatoes.
The three goals of the United Nations were and are to promtoe human rights, to force nations to comply to international standards and to increase the standard of living for all people. All of these goals have been met with mixed success. While somehave been more effective, others have not.
Answer:
By undermining the authorities of the European authorities.
Pros of child labor--children are a cheap labor source, they work jobs specific to small details, they help to provide money for the family unit, and they provide taxes instead of any cost to the government.
Cons of child labor--it reduces the lifespan, reduced education rate through the country. Outlawing child labor would cost families money and with public education costs the government money.