What was the impact of Spain settlement in the America ?

Which term do historians use to describe the personal preferences that people have that affect their interpretation of events

At the casablanca conference, allied leaders signed an agreement to share military technology decided to launch an invasion of southern france agreed to accept only the unconditional surrender of the axis powers agreed to form a scientific team to create the atomic bomb

The irish and germans of the 1840's were part of the new immigration. true or false