Answer:
D: There have been at least eight periods in earth's history
Explanation:
Answer:
Raising money was difficult for a small, new country.
Texas needed help defending its borders against continued attacks by Mexico.
Explanation:
Some of the reasons that Texas wanted to become part of the US was for financial help and stability because raising money for them at the time was difficult.
Another reason was for security: They needed a stronger force to protect them against the attacks of the Mexicans which came almost incessantly.
The Iran hostage crises are one of the most tangible events that greatly affects the diplomatic relationship between the countries of the United States and the Islamic Republic of Iran. The crisis took place when a group of Iranian students hostage an American embassy in Tehran wherein its hostages were released a year later.