Hello There! ^_^
Your question: Japan aimed at conquering the small islands in the Pacific Ocean one by one. This strategy of controlling one small island after another is called..?
Your answer: Japan aimed at conquering the small islands in the Pacific Ocean one by one. This strategy of controlling one small island after another is called Island Hopping.
Hope this helps!
hun do you still need help
A primary source is someone who was there at the time the event happioned or an artifact from that time line
secendairy source (sry 4 my bad spelling) is something from after the event or writen from after the event
Issues with lines of succession