1

The ruling classes are related in some way

2

An important faith crosses the border

3

They fought by our side sometime in the past

4

Their culture is widely admired here

5

They helped to overcome an eldritch peril

6

They held back an enemy from our border

7

They are co-ethnics of the same origins

8

They provide critical trade relations

9

Sages and scholars came from there

10

They gave critical aid during a disaster

11

A hero of this land came originally from there

12

A past hero-king once ruled both lands

13

They produce some vital commodity

14

They have a shared enemy

15

A Working they have is helpful here, too

16

A long-standing alliance or trade pact exists

17

They recently conceded some disputed land

18

They greatly admire elements of this culture

19

They’re considered unusually attractive here

20

They took in refugees from here at one point