Which of the following is a true statement about the map? a. the border between canada and north dakota is a thick, black line; this indicates an international boundary. b. the border between montana and north dakota is a thin, black line, this indicates an international boundary. c. the border between montana and north dakota is a thin, blue line; this indicates a state boundary. d. the border between canada and north dakota is a thin, black line; this indicates an international boundary.

Its A : The border between Canada and North Dakota is a thick, black line; This indicates an international boundary.

The border between North Dakota and South Dakota is a dashed black line; this indicates a state boundary.

Explanation:

If they cross the boundary, they will be in North Dakota or South Dakota.

HOPE THIS HELPS! :D

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate