Why can francis drakes expedition aroundmost of the globe be seen as something of an anomaly?

Your answer is Most English voyages were only focused on the shores of North America Hopefully this helps!

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

hello most volcanoes are located at either divergent or convergent plate

this is where the plate motions aswell form magma