This possibly led to the creation of small and new countries that were once colonies of bigger countries
Answer:
C Americanss at the Battle of Concord
Explanation:
Cars.
Radio.
Television.
More advanced cars
Mobile phones
Answer:
He wrote common sense. So read about that
Explanation:
President Polk wanted California but knew Mexico would not agree to sell it and his only avenue was to start a war (knowing the US would win it).