Answer:
To defend each other against attacks by responding with force.
Explanation:
The main reason many western european nations joined nato in 1949 is To defend each other against attacks by responding with force and it states that a military attack to any of its members is an attack to all members.
The conversation between Western nations arrived at a conclusion on April 4, 1949. This involves the foreign minister of 12 countries in North America and Western Europe coming together in Washington DC to sign and endorsed the North Atlantic Treaty.
Nato (North Atlantic Treaty Organization) original members includes France, Belgium, Britain, Canada, Denmark, Iceland, Luxembourg, the Netherlands, Norway, Portugal, Italy and the United States.
To improve the economy I believe (but not for certain)
Push factor because these are factors making people want to leave
A nation's government can invest in human capital by increasing the
number of worked, as well as teaching the existing work force. Education
is also of the utmost importance here, as without educating future
generations the work being done to educate the adults of today will
become pointless when the same problems continue in the future.