Why were the Balkans known as the "powder keg" of Europe in the
early 1900s?

The Balkan Powder Keg. The continuing collapse of the Ottoman Empire coincided with the rise of nationalism in the Balkans, which led to increased tensions and conflicts in the region. This “powder keg” was thus a major catalyst for the outbreak of World War I.

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

question:  

the chart compares religious beliefs to us political party support.

religious beliefs and party support, 2012

this chart demonstrates that

a) more highly religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

b) more highly religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

c) more moderately religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

d) more moderately religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

answer: a.