Complex sentence: Meanwhile, on the domestic front, galloping inflation led him into confrontation with some of the most powerful trade unions, and energy shortages related to the oil shock resulted in much of the country's industry working a Three-Day Week to conserve power.
Split into simpler sentences: Meanwhile, on the domestic front, galloping inflation led him into confrontation with some of the most powerful trade unions. Energy shortages related to the oil shock resulted in much of the country's industry working a Three-Day Week to conserve power.