The Berlin Conference was attended by all of the following nations except
which of the following?

Africa I think I'm sorry if I'm wrong

During the New Imperialism period, the Berlin Conference of 1884–85, also known as the Congo Conference or West Africa Conference, governed European colonialism and commerce in Africa, coinciding with Germany's unexpected rise as an imperial force. The General Act of the Berlin Conference, called for by Portugal and orchestrated by Otto von Bismarck, Germany's first Chancellor, may be considered as the formalization of the Scramble for Africa. The meeting signaled a time of increased European colonial involvement, with most existing systems of African autonomy and self-governance being removed or overridden.

Explanation:

knowledge!

answer; (a) he was a u.s senator for 38 years;

i just did something on this guy a few days a go give me two minutes to find it in my notes.