What similarity do the american and soviet telegraphs share?

both explain how world war ii affected their foreign policy.
both characterize the other nation as a police state.
both present the other nation as a threat to their security.
both support the creation of capitalist economies in europe.

The answer is: Both present the other nation as a threat to their security.

Telegraphs are systems that were set to transmit message in the past, often in coded signals. As Soviet is mentioned, we can also deduce that the period was during cold war.

Let's look into the options one by one:

Both explain how World War II affected their foreign policy.

-This is false.

-Their foreign policy was developed gradually after WWII, however, there was no need to explain how it affect their policy as telegraphs were mainly used to send commands and reports, therefore unlikely to mention about the issue above.

Both characterize the other nation as a police state.  

-This is false.

-A police state is where a state hold surveillance over another state and is acknowledged. This is definitely not the case during Cold War, as the two states were opposed against each other let alone characterizing or admitting the other nation as a police state.

Both present the other nation as a threat to their security.

-This is true.

-Holding two different ideologies, the two states was described as opposing camps. During the time, nuclear weapons were also developed which could cause great damage and had a large attacking range that reached directly to the opposing state, therefore they both saw each other as a threat.

Both support the creation of capitalist economies in Europe.

-This is false.

- Although America support capitalism, Soviet did not and supported communism.

Therefore the answer is both present the other nation as a threat to their security.

Hope it helps!

i think its either b or c

explanation:

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i hope this your understandings.