Earth's magnetic field was reversed than today's magnetic field, 65 million years ago.
Answer: reversed
<u>Explanation:</u>
The present North and South pole on the geographical region above Earth crust is opposite beneath the same as North to be South and South to be North pole. Before 65 million years, Earth polarity was same beneath as currently above Earth's crust. It reversed and the Earth faced the mass extinction.
The magnetic field of the Earth was opposite to what it is found today, 65 million years ago, which is considered to be the time for mass extinction. It has been found that the magnetic field which consist of polarity as north and south is opposite to be what is found on the geographical land to the one found below the Earth surface.
Answer;
It granted the United States access to both the Mississippi River and the Port of New Orleans.
Explanation;
Pinckney's Treaty was favorable for the United States in that;
- it provided for a mutual recognition of the border between US Territory and the Spanish colonies
- it opened the Mississippi River to American traffic and trade and allowed Americans to use the port of New Orleans.
Thomas Pinckney was US minister to Great Britain. He was sent to Spain to sign treaty to secure US land claims west of Appalachians
-Pinckney's Treaty of 1795; Spain gave up all claims to land east of the Mississippi (except Florida) and recognized the 31st parallel as the southern boundary of the United States and the northern boundary of Florida. Spain also agreed to open the Mississippi River to traffic by Spanish subjects and U.S. citizens, and to allow American traders to use the port of New Orleans
Germany's resumption of unrestricted submarine warfare