By Lucia Mutikani WASHINGTON (Reuters) – U.S. job growth accelerated in February, pushing the unemployment rate to a two-year low of 3.8% and raising optimism that the economy could withstand mounting headwinds from geopolitical tensions, inflation and tighter monetary policy. The Labor Department’s closely watched employment report on Friday also showed the economy created 92,000 more jobs than initially estimated in December and January. It suggested that the labor market was moving past the COVID-19 pandemic and that the economy has weaned itself off government money. Though average hourly …