The answer is option A "one-party system." The Soviet Union was known to have a one-party system. A one-party system is a state with one political party and that political party has a right to form or make changed to the government.
The government created under the Articles lacked the power to tax. And the only way it could get money to pay its debts was to ask states to give funds. But states didn't have to or didn't give enough. So all in all the federal government was pretty weak.
