Who is MOSTLY to blame? LONG

Okay so I’m 24 weeks pregnant. And I’m hormonal. This is my first pregnancy and I’m on bed rest. (Not really important but I thought I’d add)

Well Sunday morning my husband leaves for a 13 day work trip. (He became a sergeant and has special training) where he had to go was 8 hours away. I had to stay home to be close to my doctor and take care of the dog and to rest. Well my husband planned to leave at 8am but I was crying and he stayed and held me for an extra hour and half. So he left at 9:30am. This is his first time driving that far. And it’s his first time going anywhere alone. He was in my car so I told him to go a little under the speed limit. And the GPS took him a long way and there ended up being 5 wrecks along the way. He called me every two hours and gave me updates. And I had his location the whole time so I knew what was going on. Well I went to my parents house because I didn’t want to be alone tonight. My mom has always made rude comments about my husband. And doesn’t see anything he does as good enough. Well apparently she had already had his trip planned and said he should be arriving no later than 5:15pm well at 7pm he had just got there (again he left later than planned and wrecks, also he ate and had to get gas) well my mom starts saying how he must have fucked something up because she would have gotten there at 5. And how he did something wrong and how he doesn’t know how to drive or do anything on his own and how he’s to immature to get somewhere. And how he needs to be able to read a real map and not gps. Well I told her well he left a little

Later and there were wrecks. Well she said BULL SHIT and started going off and at this point she’s been screaming for 30 minutes about how my husband is a failure. So I snapped and told her to shut up and stop talking that he got there and he is safe and she needs to drop it. And that made my mom go CRAZY. (We were driving to go pick up dinner) she was swerving all over the road yelling at hoe stupid I am to defend him and how my baby is going to have an idiot as a dad. And I told her to let me out of the car. And she said if I get out of the car then it shows that I love my husband more than my family and more then I love my baby. And I told her to fuck off and she said “FINE IM DONE WITH YIU I WANT YOU AND YOUR STUPID HUSBAND OUT OF MY LIFE I DONT WANT YOU AROUND ANY MORE UOURE DEAD TO ME” so I said okay and then I started walking. I got picked up by a friend who took my to my car and when home. My dad texted me and said I need to apologize to my mom for the family. And how it’s my responsibility because I was disrespectful. Note I am 21 my husband is 22. I have been crying all night. I don’t know what to do. I’ve always been close with my family but they don’t think my mom did anything wrong and how I’m in the wrong for leaving. Advice? (This is the short version)