Yes.
A growing civilization needs to expand its territory to increase agriculture and influence.
B. <em>1998</em>. It was in this year that Osama bin Laden co-signed a <em>fatwa</em> (a non-binding legal pronunciation made by a religious authority) with Ayman al-Zawahiri, stating that the killing of North American and their allies was an "individual duty for every Muslim", to "liberate the al-Aqsa Mosque and Mecca from their grip". In the same year a series of U.S. embassies bombings (by terrorist cells linked or incited by al-Qaeda), thorough East African countries killed hundreds of people.
The veto power of the president under the U.S. Constitution best reflects the principle of "checks and balances," or a "balance of power," since this stops the Congress from becoming too powerful.
Ampere invented a instrument utilizing a free moving magnetic needle, otherwise known as a compass, to measure the flow of electricity. This was done in 1820, and it was actually found by accident (at first)! He then conducted experiments, making him the first person to develop measuring techniques for electricity! I hope this helps! ~Mia