The term "death march" was probably coined by concentration camp prisoners. It referred to forced marches of concentration camp prisoners over long distances under guard and in extremely harsh conditions. Hope it helps:)
The main reason why rice became a Chinese staple food during the Tang dynasty was because it was so plentiful and had all the basic nutrients that were needed for survival.
State Representation is based off the population of the state, since slaves weren't technically citizens, they were not counted in deciding how many representatives a state had. Slaves were a large majority of the population in the south. The south thought they were under represented and wanted slaves to be counted so representation was fair in their eyes.
Here are the consumerism cycle :
Earn money >> Buy stuff >> consume >> Want more >> Back to Earn money
on this Cycles, the manufacturers role is to provide a product that the market is lusting for, promoting Consumerism