What allowed messages to be sent faster than ever before? An electrical pulse that traveled along a line to the destination receiver.

can you post options so i can ?

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

because the vietnam war was fought in an especially brutal and untraditional way