Which claim is the narrowest and most focused? a. hydraulic fracturing is not as dangerous as people think, and natural gas is an important byproduct. b. mandatory voting makes it harder for extremists to get elected in australia; it should be required in the united states. c. standardized tests are often difficult for students, and they are a tried-and-true way to assess one's skills. d. because of advances in medical care, airline pilots should be allowed to work beyond the age of 60.

Which historical events have affected the meals you consume? check all that apply. columbus brought sugar cane to the new world in the late 15th century. italian immigrants brought pizza to the united states in the early 1900s. tacos were first eaten in the silver mines of mexico during the 1700s. sugar cane spread throughout the muslim world, and methods were developed to refine it. immigrants introduced chinese food to san francisco in the mid-1800s. people from the middle east created the modern version of roasting coffee in the 13th century.