Explanation:
C Between the Tigris and Euphrates rivers
The correct answer is letter a. Francisco Madero. He is the r<span>evolutionary leader ran against Díaz in the 1910 Mexican elections. He is an advocate for democracy and social justice. He is also notable as being an instrument in sparking Mexican Revolution. He is the guy who challenged President Porfirio Diaz.</span><span>
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Answer:
OPEC can be observed as a trade barrier because it could hypothetically completely exclude a country from trading with countries that produce oil and this would make life much harder for those countries. For example, OPEC introduced an embargo on the US in 70s and there was a huge spike in gas prices and a shortage of fuel.
Explanation:
To explain the "no west" comment, in 1812 the American "west" only reached as far as the Mississippi River.
The northern states were heavily involved in international trade, having the ports and ship building yards. The men who sailed on those ships were likewise mostly from the north and were the ones being impressed into the British navy. The agrarian south's interests lay entirely in the production of tobacco, cotton, sugar, sorghum and a few other large cash crops. The commerce was mostly within America and they had little interest in shipping issues.