The pseudonymous name used by the person or persons who developed Bitcoin and launched it in 2009 is "Satoshi Nakamoto".
<u>Answer:</u> Option A
<u>Explanation:</u>
Satoshi Nakamoto launched the 0.1 Version of the top bitcoin software on Sourceforge, followed by the first units of the bitcoin cryptocurrency popular as "bitcoins" on 9th January 2009. He published a paper titled as "Bitcoin: A Peer-to-Peer Electronic Cash System" on October 2008 which illustrated the digital currency of bitcoin.
In the meantime Nakamoto was the first to use a peer-to-peer network to address the double-spending question for digital currency. Nakamoto had been involved in bitcoin production up to December 2010.
Answer:
On this day, the Louisiana Purchase is completed December 20, 2019 by NCC Staff Life in the newly formed United States changed forever on December 20, 1803 when the American flag flew over New Orleans, signifying the completion of the Louisiana Purchase and doubling the country’s size.
Explanation:
December 20, 1803
President Kennedy conceded that the US arsenal of Jupiter Missiles would be secretly removed from Turkey. He also agreed to end the blockade of Cuba.
The correct answer is Option d) The population was mostly noblemen and indentured servants.
The South was made up of large farmland and plantations. The owners were white settlers and most of the labor consisted of black slaves which were imported from West Africa.
Slave trade gave these farm owners large profits, hence they save the end to slavery as an attack on their trade and way of life.