If I was an explorer more than likely I didn't even realized I discovered anything new.
Answer:
There were a lot of conflicts, but the most important ones were Balkan Wars, First and Second Moroccan Crisis, Russo-Japanese war, Italo-Turkish War.
Explanation:
Before WW1 there were many conflicts that can be seen as introduction to WW1. They were mostly led between members of two great military alliances - Central Powers and Entente. Still, none of this countries were prepared to enter a larger conflict until the assassination of Franz Ferdinand.
B. They were hunters and gatherers?
What happened in 1945 Major News Stories include USS Indianapolis is sunk by Japanese Submarine, War In Europe Ends May 7th ( V-E Day ), Adolf Hitler and his wife of one day, Eva Braun, commit suicide, Harry S. Truman becomes US President following the death of President Roosevelt, Nuclear Bombs dropped on Hiroshima