Around 60 million international travelers visited the united states in 2010
I don't really understand Portuguese, but hope this what you asked.
Ineffectiveness: Many people have false hope, causes addiction to gambling so people never gain wealth but instead develop a habit of wasting money
Effectiveness of informal trading: more freedom for trading money for goods because seller can negotiate as they want , an informal trader doesn't have to provide for any employees in drastic lengths, informal traders can relocate easily because they dont do business in government owned buildings
Ineffectiveness: informal traders can change prices whenever and all the time as they need it, informal traders can often lie or deceive more conveniently For their business.
Hope i helped. Peace
Answer:
A. Because families like the youngers experienced segregation from the white community
The correct answer is b.) All three developed progressively more accurate models of our solar system.
Indeed, Copernicus proposed the heliocentric model, placing the Sun as the center of the universe and not Earth, in the 15th century. Kepler discovered the three scientific laws of planetary orbit around the Sun in the 17th century. Newton created the laws of universal gravitation and motion in the 17th century as well, basing a good deal of his research on Kepler’s work.
Depends on the time period, but a theme was that money changers stimulated trade and help in the development of growing economies as the trade between different regions occur or happen during that time period.