The correct answer is Germany declared unrestricted submarine warfare against all ships.
What this means is that Germany claimed control of the seas and oceans and if anyone opposed it they would attack it with their submarines. The US joined the war 2 months later.
Answer:
Explanation:
She expanded Russia and procured a Black Sea port.
Should be Mekong, because nations like Thailand, Vietnam all have the Mekong running through it
On<span> November 10, 1958, Soviet Premier Nikita Khrushchev delivered a speech This ultimatum sparked a three year </span>crisis<span> over the future of the city of </span>Berlin <span>that culminated in </span>1961<span> with the building of the </span>Berlin Wall<span>.</span>
