Premise: so you would

Hypothesis: What if you didn't?
Answer: it is not possible to tell

Premise: Well, what doesn't?

Hypothesis: What does not?
Answer: yes

Premise: Governments changed repeatedly, but the French muddled through.

Hypothesis: Governments were constantly changing because of the war.
Answer: it is not possible to tell

Premise: Finally, as greenhouse gas emissions are projected to grow exponentially in the developing world in the next two decades, we must evaluate the costs of imposing domestic reductions as a very high cost against potentially low-cost opportunities for mitigating and sequestering carbon emissions in the developing world.

Hypothesis: Greenhouse gas emissions are estimated to grow in both the developing and developed worlds.
Answer: yes