Answer:
federal system maintains close relationship between the government and the people because Federalism can eliminate the problems of the system, and in a federal system power is shared between the central government and state government. Similarly, people have the rights to choose the state and central government and they can vote for their candidates to run the governance.
A leap year is a calendar year that contains an additional day added to keep the calendar year synchronized with the astronomical year or seasonal year.
Keeping in mind that the Triple Entente was formed between France, Russia, and Britain in 1907 (all of them considered as powerful European countries); from Germany's perspective, this alliance represented a real threat to their existence and power in the region. And that's why Germany felt in danger and was so worried by the fact that this powerful alliance surrounding them could attack and cause them huge damage.
