When world war i began in 1914, which nation had an advantage at sea?
a. britain, with eleven more battleships.
b. germany, with nine more battleships.
c. britain, with two more battleships.
d. germany, with four more battleships.

a. Britain, with eleven more battleships.

Britain had a vastly superior amount of ships, hence Britain being known as having a vastly superior navy. However, Germany decided to try to counter this, and produced a rival navy, but it was never strong enough to combat Britain's navy, and essentially failed.

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union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.

the main reason the us senate rejected the treaty of versailles was because "european nations wanted to punish germany"

d(:

me and mark as brainliest.