This is a opinion Q&A, I can only give you opinions that I think is good.
* Have to be a U.S Citizen
* 18 or older.
* No crimes such as murder, sexual assault, and other seriously bad crimes.
* If you have been proven guilty of, submitting false information on a visitor registration application, accept payment, or offer to pay another, to register to vote, you should not be allowed to vote for elections for a certain amount of years.
The Soviet Union launched the satellite Sputnik I.
Options A, and D are the right answers, that he established Duma, and freed the slaves.
In his October manifesto of 1905, Tsar Nicholas II ( the emperor of Russia who ruled between 1894 and 1917), established the Duma (a representative assembly). And in 1861, he introduced significant agrarian reforms and hence, he declared all the serfs to be freed.
Other options do not come under his reforms as russification was the name of the policy of the Alexander III, and Peter the great the first emperor of Russia who established the constitutional monarchy.
Competitive exclusion occurs when "<span>a. organisms attempt to fill the same niche" mostly due to the fact that they are competing over the same food source, which is always limited in some way.</span>