This event would be Germany's sinking of an American vessel despite both nations being at a neutral diplomatic standpoint at the time. When the Germans sank the American vessel, without any actual reason to do so, this drastically coldened the relationship between the US and Germany.
In response to the stamp act and other acts of the Parliament the colonies united for the first time as Congress in 1765.
Their colonies became sources markets and resources. Many
European countries embarked on acquiring colonies in Africa and Asia to gain
more resources for their industries as well as create new markets and acquire
wealth. They used the manpower in these
colonies to power their industries.
The most influential and powerful members of a political party are most likely to be found inside the national party level of the party and at its highest levels. If the President of the United States is from one particular party they are considered the head of the political party nationally making them the most powerful member of the party.