The common misconception that the US Government is wasting money on immigration is pushed by Trump and FOX News, who both lie regularly. For example, see [1] about how Trump rejected a report produced by Federal researchers. The report is available [2].
Overall, the refugee resettlement program gives the country back many times what the government spends. And even if you just focus on the expenditure, the bulk of it is on border enforcement and imprisonment, which goes to domestic private companies.
As to your love for "the people who built western civilization", I'll just leave it up there. Your connotation is clear, and it doesn't reflect well on you.
[1] Trump administration rejects report showing positive impact of refugees
https://www.nytimes.com/2017/09/18/us/politics/refugees-reve...
[2] Rejected Report Shows Revenue Brought In by Refugees. SEPT. 19, 2017: A draft of a study rejected by Trump administration officials that found that refugees brought in $63 billion more in government revenues over the past decade than they cost.
https://www.nytimes.com/interactive/2017/09/19/us/politics/d...