Load alaska.shp into QGIS and zoom to the extent of the polygon. Let's use this shapefile to create a boundary for Alaska. Open the Layer Styling panel and select Single symbol. Click on simple fill and set the fill color to transparent fill (this is a checkbox selection). Set the stroke width to 0.5 mm and the stroke style to dash line. Your screen should now look similar to the following screenshot:
The view of all the styled data
Turn off the SR_50M_alaska_nad layer (Hillshade) and add lakes.shp, style them with topo water, then add in trees.shp and style them as topo forest. Now ...
