The assassination of Archeduke Franz Ferdinand of Austria and misunderstanding in diplomatic communications.
<span>Building the Panama Canal, 1903–1914. President Theodore Roosevelt oversaw the realization of a long-term United States goal—a trans-isthmian canal. Throughout the 1800s, American and British leaders and businessmen wanted to ship goods quickly and cheaply between the Atlantic and Pacific coasts.</span>
Answer:
Checks and balances exist for all three branches.
Https://en.m.wikipedia.org/wiki/Japanese_invasion_of_Manchuria
