Answer: advances in technology energy resource discoveries energy prices social pressures and other factors.
Answer: Germans: More than 1.5 million between 1820 and 1860. The 1850s was the single biggest decade for German immigration, with some 951,000 reaching the United States. Why They Came Irish: Most emigrated to escape grinding poverty in Ireland—or to avoid outright starvation in the years of the potato famine.
Explanation:
Following the 1968 convention in which many reformers had been disapointed in the way that vice president hubert humprey despite not having completed in a single primary easily won the nomination over senators eugene Mc Carthy and George McGovern
All are tied up to a revolution that provided the lower class people new grounds to stand on. In the mist of the revolutions a sense of national pride is common place.