I believe it's <span>B.Researchers everywhere began to collaborate and share data.
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Chemical weapons
Both sides developed lethal forms of chemical welfare that resulted to death of thousands in the trench war.Germany was the first to employ chemical weapons and it is estimated that over 10,000 tonnes of chemical gas, lethal and poisonous was blown.
Explanation:
a.................................
A problem that Najuma identified was that the people that were the white people in the south refused to let the black people integrate like it was in New York.
<h3>The issue from Najuma's perspective</h3>
From a trip that she made to New York when she was seven years old, Najuma discovered that there was more integration of black and white people compared to the south that she lived.
This led to her decision to lend her voice in order to make a change in the society.
Read more on racial discrimination here:
brainly.com/question/6081719
