Citizens of the new republic were overwhelming in favor of Texas becoming a state in the United States—many motivated in part by concern that Mexico might try to re-establish its oppressive rule over Texas.
Answer: the Soviets in October 1961 demonstrated the power of the hydrogen bomb when they detonate it.
Explanation: The hydrogen bomb is more deadlier than the atomic bomb American detonated in Japan, it can wipe an entire city killing tens of thousands.
The Soviets did demonstrated it power of the "staging" concept in October 1961, when they detonated the massive and unwieldy Tsar Bomba, a 50 megaton hydrogen bomb which derived almost 97% of its energy from fusion. This was the largest nuclear weapon developed and tested by any country in the world then.
In the early 1900s, doctors and lawyers usually belong to : Middle class
Well, actually it's true even until now. In people's mind, doctor and lawyers all suppose to be rich. But actually there are a lot of them that also stayed in middle class level salary.
Hope this helps
I believe the answer is: Euclid and Pythagoras.
Euclid alexandria was a famous mathematicians who is regarded as the father of Geometry and phytagoras was known for developing the phytagoras formula to measures sides of triangles. Their accomplishments were really crucial because it is still used to calculate correct measurement in modern day architecture and engineering.