It nearly doubled the size of the United States & it made it clear to other countries that America would try to salve problems/differences peacefully.
The appropriate response is "The Korean War", started when about 75,000 officers from the North Korean People's Army poured over the 38th parallel, the limit between the Soviet-sponsored Democratic People's Republic of Korea toward the north and the ace Western Republic of Korea toward the south.
The Europeans built roads, bridges, and railways in african colonies cause it helped them transfer or trade materials like gold, meat, supplies, etc... but now in this century it helps the african colonies with there transportations <span />
In the ice age because there was mammoths back then