The use of submarines made attacking or torpedoing ships easily, that made attacking more effective and reduced the chance of home soldiers getting killed.
A cause is right if you have a just motive for it. though peoples idea of a just motive is based on what they believe
Answer:
His name was Cosimo I de Medici.
In general when they need to get done with their basic requirements or their needs they fight for that if the authority didn't respond proply..
sequence like salary incresment.
then the Labour union strikes to win their requirement.