I’m not sure if you mean technological and economic development or just products coming out kind of development.
Well I’m not gonna write out two paragraphs but some important tech and economical developments were:
The radio became widespread. It was welcomed by the public and by 1934 almost 60% of the US had radio access. Sports events, news, dramas and more were broadcasted through the radio.
Stock markets across the west developed negatively. On Black Tuesday, stock markets crashed, sending the world into the Great Depression.
1)Put healthy snacks in the vending machine (less unhealthy snacks)
2) Remove vending machines ( remove the option of unhealthy snacks)
The correct answer is "Charlemagne crowned Holy Roman emperor, 800 CE."
The event that belongs in place C on the timeline is "Charlemagne crowned Holy Roman emperor, 800 CE."
In one of the most important events of that time, the pope Leo III crowned Charlemagne as the New Emperor of the Roman Empire. The exact date, December 25, 800 CE. Charlemagne was the King of the Frankish and was the one who could exert the leadership and influence to calm down the situation in Rome. One of the first things Charlemagne did was to improve the education conditions in the Empire.
The conservatism of Taft was the main reason for Roosevelt to split and run for the presidency again.
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Explanation:</u>
Theodore Roosevelt and William Howard Taft were close friends but, the thing that separated them from each other was, their thinking. When Roosevelt became the President of the US, he brought out many progressive policies, and most of them passed in Congress.
On the other hand, William Taft had exact opposite thinking, he was a man with conservative thinking and limited himself to this particular approach. He became the US president but, his conservative ideas were against Roosevelt's thinking, and due to this, Roosevelt chose to split and form the Progressive Party and run for the presidency.
You should know this. But it was the United States and Russia which at that time was known as the Soviet Union or U.S.S.R. I hope this helps.