Unlike many Republicans, Mr. Rubio doesn't say that improved enforcement is a precondition for immigration reform.
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The DUP's 64-page manifesto says a satisfactory financial package is a precondition for establishing devolution.
Their personal enrichment came to be seen as a precondition for the enrichment of everyone else.
The EU has made clear that their arrest is a precondition for entry talks.
Mr Santos had previously said that a precondition for proper peace talks was that the FARC declare a ceasefire.
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Sacking crooked-seeming officials has, for the World Bank, become a precondition for resuming lending.
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But an end to violence is no longer a precondition of dialogue but an objective of it.
Competitiveness will arise as a result of adjustment and structural reform, not as a precondition of support.
Household metering, a precondition for sensible pricing, remains limited, with only a 50% coverage at best (Anglia).
Mr Barak urged Mr Netanyahu not to make Palestinian recognition of Israel's Jewishness a precondition for negotiations.
Northern negotiators demanded over 1m tonnes of food aid as a precondition to joining the proposed conference.
Stricter fiscal rules in the euro zone are a precondition for any strengthening of the firewall, Germany insists.
These days, most talk about aid acknowledges the fact that good government is a precondition of poverty eradication.
It may choose to move its leadership to Egypt, which may have made a prisoner deal a precondition.
Bulgaria had to close four of its old reactors at Kozloduy as a precondition for its 2007 EU membership.
Size has been seen as necessary--a necessary ingredient, a precondition to improving instruction.
Gender equality is a human rights principle, a precondition for sustainable, people-centered development, and it is a goal in and of itself.
He has even made Israeli acceptance of this position a precondition for negotiations.
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In those talks, he said, the U.S. demanded as a precondition that the Taliban denounce their links with al Qaeda.
The Fund's negotiators have deliberately adopted a tough line, insisting on important economic and financial reforms as a precondition for further help.
Sinn Fein replies that, under the agreement reached in Belfast last April, Mr Trimble has no right to make such a precondition.
These are demands that no government in its right mind would accept in direct negotiations, let alone as a precondition for them.
PA's authority, something Israel sees as a precondition for any peace talks.
Also, one must be careful not to fall prey to a common assumption, namely that of harmony as a precondition of team success.
Tribal leaders in Samarra are making similar demands as a precondition for turning that town over to the Iraqi police and national guard.
Similarly, Germany's Federal Supreme Court ruled in 2005 that regarding an operation as a precondition for a legally valid sex change was increasingly problematic.
As for the overthrow of Mr Milosevic as a precondition for peace, as Britain's Tony Blair and several Americans have insisted, that is unwise.
The European Commission warned it not to depart from the bailout terms and said carrying out the agreed programme was a precondition for further help.
The threat that such negotiations are a precondition for other talks or decisive to the future course of U.S.-Soviet relations should be dismissed out of hand.
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So Mr Blair wrote an agreement that (a) did not make weapons decommissioning a precondition, whilst (b) assuring Mr Trimble that the decommissioning would indeed take place.
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