How did the development of larger brains lead to Homo erectus migrating out of africa

Homo erectus was able to expand their range due to several factors. Their body structure was such that it allowed them to travel great distances by walking. The more human like body structure and proportionality made this movement possible. The increased brain size also allowed for greater uses of tools.

The answer b is correct this all occurred during the red scare

Awoman who refuses to obey the law and continues driving to work everyday.