In my view the best word would be ethos. Ethos is the set of fundamental values, guiding principles, social practices and beliefs that constitute the character of a particular culture.
A strong fortified settlement is not the push factor in migration
Explanation:
There is difference between a push and a pull factor. Push factor is the cause which forces a person to leave the country in search of better living. Depletion of resources, war and famine are some of the push factors.
Pull factors are the aspects which pulls or attracts the migrated people into the land due to the abundance of natural resources, better living conditions, employment opportunities, educational opportunities and practicing religious freedom. These are various pull factors which allures the people for migration. African Americans migrated from the southern states to union in search of better living conditions and industrialization which opened huge employment opportunities.
A guild provided security for the merchants
The correct answer is: "Mexico would get Texas, Arizona, and New Mexico"
Arthur Zimmerman (1864-1940) was the State Secretary for Foreign Affairs of the German Empire during 1916 and 17. He is mostly known because of the secret communication he sent to Mexico during WWI, in January of 1917, called the Zimmerman Telegram.
He aimed to propose and alliance between Germany and Mexico, as a measure of prevention in case the United States decided to join the war. The proposal offered to Mexico that they would recover their former territories of Texas, Arizona and New Mexico.
The communication was intercepted by the British intelligence bodies, and caused the opposite effects to the desired ones. It enraged the US, that ended up declaring the war to Germany in April 1917.