<span>the entry of France and Spain into the war. i just answered this
</span>
<span>The Allies had started using convoys. The US had more ships made.</span>
To keep information a secret, So they tell limited amount of people.
Answer:
Stonewall
Explanation:
In simple words, The Stonewall disturbances were a sequence of unauthorized protests by representatives of the LGBT group in reaction to a police operation at the Stonewall Inn inside the Greenwich Village neighbourhood of Manhattan, New York City, on June 28, 1969. When the police got abusive, Stonewall guests and local street people retaliated.
The answer to your question is gunpowder weapons.
siege warfare.
armored cavalry.
Hoped I Helped!