Answer:
The posters to encourage women to working during this time is an example of propaganda.
Explanation:
During World War 2 propaganda was heavily used to game support from anyone that saw these posters. It was also used to gain commitment to an Allied victory. Women were persuaded by these pictures to quit the life style they had been living for most of their lives to help.
The answer would be abstract art.
In not 100% sure but is it true?
Answer:
The piano was invented by Bartolomeo Cristofori (1655-1731) of Italy. Cristofori was unsatisfied by the lack of control that musicians had over the volume level of the harpsichord. He is credited for switching out the plucking mechanism with a hammer to create the modern piano in around the year 1700