The incan road system was built primarily for the purpose of allowing?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.

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

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?