This discourages drivers from speeding or impeding the flow of traffic. This prevents resistance reflexes from impeding movements. Oxfam asserts that worsening inequality is impeding the fight against global poverty. In grain-boundary strengthening, the grain boundaries act as pinning points impeding further dislocation propagation. He had limited experience and faced a number of hurdles impeding his effective governance. Baba Yaga kills Perun for his interference in impeding Koschei's progress. The Church frowned upon contraceptive use or any methods of impeding population growth. Many countries passed laws impeding the manufacture and promotion of contraceptives. By 2012, local businesses were complaining that the crossing's charge booths were impeding local growth. In late March, "Spirit" encountered loose soil that was impeding its progress toward McCool Hill. Skaters may be disqualified for false starts, impeding, and cutting inside the track. Nash died soon after construction started, impeding its progress. Radiation has been impeding attempts to replace cooling systems. Muscat was accused of impeding the investigation. Traditional cost-plus pricing strategy has been impeding the productivity and profitability for a long time.