During World War II, the United State had a strong battle against Japan because of early attacks like Pearl Harbor. In the last year of the war, the US found a way to deciphered code messages from Japan. Thanks for the cryptographers that the US had, they were able to decipher around 90,000 words regarding their plans.
Thanks to this, the US was able to know Japanese plans and defend themselves for any Japanese attack before they could even strike.
The Kingdom of Axum was an important region in the Silk Road, because they had their own currency, which facilitated trade in the Silk Road trade and although it was sovereign, it sometimes entered the politics of the Arabian Peninsula, so it is safe to say that it was known and had good relations with it's neighbors and the people coming in and the people going out. Slowly afterwards, they started expanding their rule over the Arabian Peninsula.
The encomienda system was a trusteeship system used during the Spanish colonization of the Americas, conquistadors were granted the towns of the indigenous people they conquered. The conquistadors, known as encomenderos, were able to tax these people and summon them for labor.