The northwest territory..i don’t understand the bottom

ok so u have2 basically

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

a king decides to declare war on a neighboring country without the input of any advisers

i believe the answer is bartolomeo dias