What time did flight 11 hit the North Tower?

Why is it useful for historians to base certain studies on the analysis of historical themes

The 1884 amendment added onto the chinese exclusion act included what additional stipulation? the law would apply to ethnic chinese regardless of which asian country they originated from. the law would provide newly arrived chinese immigrants with land in the oklahoma territory. the law would establish all chinese americans as permanent aliens and deny them citizenship. the law would prohibit chinese immigrants from reentering the united states once they exited.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price