<span>Causes of Vietnam War: ...1946 - Communists in the north begin fighting France for control of the country.1949 - France establishes the State of Vietnam in the southern half of the country.<span>1951 - Ho Chi Minh becomes leader of Dang Lao Dong Vietnam, the Vietnam Worker's Party, in the north. This is not my work!!!!</span></span>
6. Reform
They come together to change something
The correct answer to this open question is the following.
Although you forgot to include the sketches and the options of the question, we can say the following.
Robert Hooke, a famous 17th-century English scientist, published a book of sketches such as the one above. The recent invention that made these observations possible was the microscope.
Robert Hooke was an English scientist who wrote the treatise called "Micrographia." In this work, he helped design a modern microscope for that time with better lenses and improved optical characteristics that facilitated scientific research. In the end, it was Christopher C*ck, the one who fabricated the new microscope.