Is Donald Trump improving the lives of Americans?
I don't think I can give you a reliable, objective answer to this question — it's fundamentally a matter of political judgment and values rather than a factual question with a single correct answer. Whether specific policies "improve lives" depends heavily on which Americans you're asking about, what timeframe you're considering, and what you personally value (economic growth vs. equality, deregulation vs. environmental protection, tariffs' effect on manufacturing vs. consumer prices, etc.).
What I can do is give you factual, sourced information on specific measurable outcomes during his current term so you can form your own judgment. For example, I could look up:
Would you like me to pull current data on any of these specific areas? That would let you weigh the evidence yourself rather than relying on my characterization of a contested political question.