The food they ate,the shelter they constructed,an how society survived in that region
I think this is the correct answer
1.Canada, Denmark and Israel
2.China,India and Singapore
3.Sri Lanka,Nepal and Sudan
If you look at options a and c, you can see that they are the same, and since we're probably expected to choose only one option,we can reject both of them.
Not going at all is not a good option- then you'll never get to know them better.
So b is the best option- if you don't get along you can always talk to other people
B. Cooperative federalism has been practiced in the US since 1860.
Cooperative federalism, or the concept of federalism in which local, state, and federal governments work together to create policies, replaced dual federalism in the 1930s.
You might face dehydration and hunger and you would solve these by finding food and water around you.