What you just said doesn't really fit.
The points Trump makes are that we negotiate poorly with other countries that result in us scaling back our nuclear program, paying them money, and providing for their defense.
By arguing that we should allow long time allies to protect themselves =/= increasing military spending. The opposite actually. The nuclear discussion is pointless unless there is some new technology that would prevent an Armageddon should they be launched anyway.
And if you want to see just how similar Trump and Hillary are in regards to Russia just read her real beliefs in her emails:
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So a politician should not have beliefs of their own and should only ever bend to the will of popular opinion at the time? Bernie Sanders didn't support the wars in the middle east and seemed fine. It just took a little dignity and courage.