Answer:
it was a documentary
Explanation:
Their solution consisted of two steps: Engineer a cat that changes colour in response to radiation. Create a culture around this cat, such that if your cat changes colour, you should move someplace else
The open door policy was principles that was installed in 1899 and then the 1900s to Have a protection of equal or even trading among countries
<span>I think that first one was George Washington </span>
Booker T. Washington is known for Training negro teachers and providing all black schools. At the time he clashed with other black leaders such as W. E. B. Du Bois and drew ire for his seeming acceptance of segregation, he is recognized for his educational advancements and attempts to promote economic self-reliance among African Americans.