Advantages and disadvantages of balance of power between countries

Explanation:

Advantage:

Balance of Power ensures the preservation of small and weak states. Its rule that no nation is to be completely eliminated, favors the continued existence of all states. Each state feels secure about its security in the balance of power system.

Disadvantage:
Balance of Power cannot ensure Peace: Balance of Power does not necessarily bring peace. Even during its golden days, it failed to prevent the domination of small states by the big states. It was not successful in preserving the security of small states.

Every two years

Explanation:

Every two years the Senate has a new “congress,” a two-year period of business. Typically, a congress is divided into two annual meetings of the Senate, met in early January and adjourned in December