President Wooddrow Wilson plans was not to spend much time in foreign affairs and keep his neutrality so America cannot be seen as peace breakers.
Nevertheless the sinking of the passenger liner Lusitania by a German U-Boat changed his mind. He asked for an apology from Germany and stayed neutral as long as possible, till president Wilson finally asked Congress for a formal declaration of war after the intention of Germany to give US territory to Mexico in return for supporting the German cause.
Answer:
there was a gradual change in the way people lived and worked
Explanation:
because
Virgin Soil epidemic is the right answer.
The virgin soil epidemic is an epidemic in which people at risk had no prior contact with the virus that hits them, therefore people become immunologically almost helpless.
After the arrival of Cortes in Mexico, another army came for Cortes inspection for the management. In return to this Cortes fought against the army from Cuba and there an African slave had a disease known as smallpox. And that slave came into contact with others. This disease, therefore, spread more instantly in the soldiers of the Aztec empire.