The discovery of lots of bronze items is what is significant about the Shang.
Answer A its true of the economy of the east
Subsequent to World War II, the development of nuclear weaponry, like those used at Hiroshima and Nagasaki, soared in anticipation of the Cold War. Furthermore, because resource and consumer production were converted to suit the needs of a wartime economy, citizens protected and increased savings for the time when the manufacture of cars boomed instead of military tanks. Following the war, the United States of America experienced a dramatic increase in the quality of the economy. It was continuously stimulated through the purchase of items that were available in the late '30s, for example.
The technology of society was also propelled further than ever before; the idea of colored television toyed with the minds of viewers and advertisements became incredibly popular and effective in marketing. New inventions crowded shelves as shoppers became increasingly aware of the benefits that 'Hoovers,' or vacuums, provided in the home, for instance.
Generally speaking, infrastructure means "<span>A. the fundamental facilities and systems that serve an area," although if you're referring strictly to construction, then it would be the beams, foundation, etc. </span>
