Two primary causes of ww1 is the assassination of the arch duke Francis Ferdinand and the system of alliances.
The gold standard is a monetary system where a country's currency or paper money has a value directly linked to gold.
When people became more social and lived together in larger groups.
Timur the lame (Tamerlame), a Turco-Mongol ruler of Persia, was nicknamed like this after the stick he needed after half of his body was paralyzed. The original name was "Timur-Lang" in Persian, which does mean "Timur the lame"
comment: thanks to SwagGirl for pointing out my mistake! I corrected it now:)
