What is significant about the day of gringotts break in

In a market economy, what does a producer mean when it asks, "is there a market for my products? is there a place where we can sell our products? " "ls our product being made more cheaply overseas? " will consumers need and want to buy our products? " will the government support demand for our products? "

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

Why did lincoln inform the confederacy that he would not e sending troops or weapons as food supplies were sent to fort sumter?