'either one party' is correct and usable in written English.
You can use 'either one party' to indicate the choice between two parties. For example, "The dispute could be resolved through either one party making concessions, or by both parties agreeing to compromise."
I think it needs one of two things: either one party has to win enough seats to have effective control of both houses, as the Democrats did in 2009-10, or the Congress needs a new culture, which would have to be based on a profound change in attitudes, and probably in membership.
For Greece, it amounts to a political revolution as the country has been run by either one party or the other since the 1970s.
The UK has been governed by a coalition since 2010, and at the 2015 general election voters could back either one party - or a new alliance.
Under the leadership of either, one part of the party would be unhappy.
And the first three of these never managed to produce a change of government.During the 1990s, a further 42 sub-Saharan African countries (out of 50), all of them either one-party states or military dictatorships, have held elections of varying credibility.
This collective control is due to the fact that both parties own the joint venture jointly and hence either one of the parties can veto decisions regarding its surplus.
"This is a British general election where the total number of MPs at Westminster will determine the government – either in one party or a combination of parties – whatever emerges over the next few hours," he said.
In 1956 and 1960, the Michigan interviewers asked voters questions such as "Would you say that either one of the parties is more conservative or more liberal than the other?" Many voters could not answer that question.
The counterparty credit risk in a financial contract arises from the possibility that at least one of the parties in the contract may default prior to or at the contract's maturity, which may result in failure of this party to fulfil all their contractual obligations leading to financial loss suffered by either one of the two parties in the contract.
Finally, with regards to tax avoidance, we find that most research articles attribute the decision right relative to the avoided tax amount quite heterogeneously to either one of the contracting parties.
"What is the point in voting for either one of the big parties?" 35-year-old Nikos, who gave no last name out of privacy concerns, told The WorldPost.
