Which area of china has not benefited from the establishment of special economic zones?
large cities
interior regions
coastal regions

Interior regions is the area of China has not benefited from the establishment of Special Economic Zones

Option B

Explanation:  

There are certain factors that helps a particular area to gain benefit in terms of trade and location of area highly influence as the benefit that can be derived from the area that is why Shenzhen has been proved to be amongst most successful special economic zone due to its richness in resources being located near Hong-Kong and it's ports. And considering the options, it's quite obvious that SEZ will be best in port and coastal regions, as it is easier to trade from the mentioned areas.

answer; (a) he was a u.s senator for 38 years;

answer: secession

secession, as it applies to the outbreak of the american civil war, comprises the series of events that began on december 20, 1860, and extended through june 8 of the next year when eleven states in the lower and upper south severed their ties with the union. the first seven seceding states of the lower south set up a provisional government at montgomery, alabama. after hostilities began at fort sumter in charleston harbor on april 12, 1861, the border states of virginia, arkansas, tennessee, and north carolina joined the new government, which then moved its capital to richmond, virginia. the union was thus divided approximately on geographic lines. twenty-one northern and border states retained the style and title of the united states, while the eleven slave states adopted the nomenclature of the confederate states of america.

explanation: