There was new music, such as jazz and the blues. New churches and religious customs came north. There was different food and spoken dialect. Celebrations from their cultures came along with new neighborhoods. Finally, newspapers and journals had more of an impact.
Because Italy was mostly divided into strong and independent city states it had a very special status throughout the renaissance period. The individual city states were able to conduct trade with other nations independently of each other. Here, different kings had different notions on how their relationship with Italy should be; which was best seen exactly in the way how the king of Spain and king of France treated the city states and Italy as a whole.
They used kamakasi pilots. These pilots were groomed to be suicidal. They see these pilot as figure heads. They also used the strategy of knowing that their pilots wouldn’t surrender.