The 1839 Treaty of London was a treaty between Great
Britain, Austria, France, Prussia, and Russia, on the one part, and The
Netherlands, on the other. It derives its significance from Article 7 that
leads Britain to protect the neutrality of Belgium in the event of the latter's
invasion.
The first Women's right movement was created by Elizabeth Cady Stanton and its main goal was fighting for equality and giving women the power of voting. This was in the 19th century and these women were called the suffragettes, because they fought for women suffrage.
Answer:
D, oil was discovered on the Arabian peninsula.