The factor that increased is "Legislation that removed unfair electoral requirements"
In 1960 only 5% of African Americans were registered to vote
It seems that you have missed the necessary options for us to answer this question, so I had to look for it and here is the answer. The British government took control of the Suez Canal and Singapore during the 19th century for implementing a policy in order to <span>ensure safe passage on strategic waterways. Hope this helps.</span>
I believe it's Rome.
Hope this helps!
