The assassination of archduke franz ferdinand by garvrillo princip started world war 1 becuase

In reply to the assassination, Austria-Hungary declared an ultimatum to Serbia, which was partly denied. Austria-Hungary suspended diplomatic relations and declared war. Following the Secret Treaty of 1892 Russia and France mobilized their armies. Russia's mobilization set off full Austro-Hungarian and German mobilization. Quickly all the Great Powers besides Italy had taken sides and gone to war.

the answer to your question is

the treaty of hopewell

image result for what are some causes and effects of pontiac's rebellion?

the colonists were also expected to pay a tax to meet the costs of establishing and manning the borders of the proclamation line which led to the belief that the king had sided with the indians despite pontiac's rebellion, against the interests of the settlers. this contributed to the causes of the american revolution.