What computer network revolutionized communication and made the world more interconnected than ever before?

brought all tribes under one rule, created first mongol written language, legal code, strong conquest

answerparameter;

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.

answer ingress;